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  1. I'm putting this under Cosmere discussion, even though it only really pertains to stuff in the Stormlight Archive. First of all, thanks to @Ranryu for reminding me about the weird things spren do, which led to this theory. Brandon has said that all the planets in the Cosmere could one day develop faster than light (FTL) travel, though Scadrial is expected to achieve it first of all. This is really interesting to me. We can see how Scadrial, most likely with some applications of speed bubbles, access to the spiritual realm, and the handy technology of Ettmetal, could achieve this pretty soon. But what always interested me was the other planets. How could worlds like Roshar or Nalthis achieve FTL? Their magic systems don't really have anything that could be used in that way, and it seems incredibly far off. (Sel technically already has it (Aon Tia), they just need to work out some kinks and figure out how to use it offworld. Can't be widely applied at this point.) Now focusing on Roshar. I think, with many of the technological developments that are coming around as we read, it's safe to assume that Rosharan FTL will be fabrial based. And what do you need to power fabrials? Spren. In an interlude in Words of Radiance (I think it's WoR, anyway) we see a pair of ardents conduct some experiments on some flamespren. They find that once you define a specific value for a measurement of the spren, the spren has to stay that value in that specific measurement. This coincides exactly with our current understanding of quantum mechanics: particles exist in a fluid state, in multiple locations or states of being at once, until they're observed. After observation, they're stuck in the position or state they were observed in. I think it's safe to assume that other spren share this attribute, but right now, only flamespren are confirmed to have these strange quantum properties. And, unless I'm remembering wrong, flamespren are the most commonly used spren when creating conjoining fabrials. Conjoined fabrials are very handy, as we see with the Fourth Bridge in Rhythm of War. Using some clever tricks involving Aluminum, a latticework of conjoined fabrials are effectively able to create an airship. This kind of fabrial is probably the future of Rosharan transportation. Now here comes the long shot. My theory is that if a fabrial were to be created that somehow exploited the quantum properties of spren, they would be able to use that "multiple locations at once" function to effectively transport a vehicle using the fabrial to another location faster than the speed of light. I have no idea how you'd do that. You'd probably have to use some kind of trick to amplify very small scale effects to an incredibly large scale, and Aluminum to isolate variables and make sure your spaceship actually appears where you want it to be. It's a long way off, if it's even possible. But Brandon is hinting at something with those flamespren, and it seems likely that it's something along these lines. What do you think? Am I grasping at straws, or am I onto something? Tell me below!
  2. Last entry was a bit of a hoax, as I really didn't go much into traveling through space that much. I guess I needed to clarify the beginnings of something rather important: The Kardashev Scale. Theorized by Nikolai Kardashev back in the 1960s, likely as a supplement to the space race and whatnot. The scale is an early attempt at defining 'levels' of alien life and civilization, based on something very important to the universe: energy. All matter and forces can be traced back to the purest forms of energy, making it... pretty much the ultimate building block of everything. It makes stuff move, blow up, emit light... all that good stuff. And it's the foundational basis of all life as we know it. I'm not going to get into biology much yet, but it shouldn't come as much of a shock that energy is a necessary requirement for life. You get all your molecules and stick 'em together to write up the code for your hampster, but nothing's going to happen if you don't give it a little jolt first. All life requires energy. In fact, death is literally just a body undergoing irreversable entropy (scientifically speaking, anyways). Thus, living things strive to acquire energy as a means of survival. Why is that? Nobody knows. No biologist has ever managed to figure out where all these backwards things - things that actively avoid Newton's Second Law of Thermodynamics rather than ultimately striving towards it - came from. Neither do I, of course; so good thing that has nothing to do with what I'm talking about today! As we understand it, large-scale evolution tends towards increasing energy consumption. Adaptation might increase energy efficiency and decrease usage, but if humanity stands for anything at all, then it's the constant increase of energy consumption. < - - that's what we science-minded folks call "a jump" The Kardashev Scale reflects these massive jumps as tiers of societal complexity. A Type 0 civilization through to Type 1 represents all our time here on Earth. Initial jumps are from hunter-gatherers to agriculture, agriculture to industry, industry to automation, and so forth. Humanity as we know it is currently at the tail end of Type 1, meaning we've just about utilized all our planet's available resources and energy to maximum efficiency. Sure, we're doing it in the worst ways possible, but things like ethics and preservation aren't accounted for on this scale. I started us into Type 2 civilization in the last post, detailing our usage of the local system as defined by our lovely home star. This post should hopefully detail all the way through to the end, taking us to about Type 2.5. This scale is logarithmic in nature, so I probably won't quite get to Type 3 anytime soon (consumption and utilization of the entire scudding galaxy). Last time, we left off on the utilization of all the planets. However, there's still one celestial body left that's worth tapping into - and it's a big one: The sun. Ladies and gentlemen, allow me to introduce you to the Dyson Sphere. Apart from having one of the coolest names in scientific anything, the Dyson Sphere would be the first and greatest megastructure worth building for humanity. Put simply, it's a massive body of solar panels surrounding a star, designed to directly collect the sun's energy. Such a structure wouldn't actually take all that long: if we started now, the lot of us would probably even live to see the completion of it. The most efficient method that them engineers have thought up is not, in fact, a big ol' dome surrounding the sun. That would be dumb, bad, and quite possibly disastrous (eternal night, MASSIVE resource costs; not to mention that a single weakness could send the whole thing careening into the star's surface to be consumed). The most efficient Dyson Sphere would actually be a Dyson Swarm: a HUGE array of satellites orbiting the sun in a lattice, harvesting the energy directly, then beaming it towards our collection points. This would essentially focus all the stellar output of the sun to where we need it, and completely eliminate a huge percentage of its energy that just goes... well, nowhere. In terms of our current civilization, such a battery would complete negate any need for local energy sources. I can't imagine that big oil would be too happy about it, but you'd best believe that the rest of us certainly would be. Suddenly, energy production would be completely automated: we'd never have to worry about it again. This is why a Dyson Sphere likely wouldn't be humanity's last step towards becoming Type 2; it would be a lot easier to make it humanity's first. The energy availability would make colonizing the solar system an absolute breeze, allowing us to shoot our distant interplanetary colonies with concentrated sunlight to supply them with all the necessary energy they could possibly need. And it wouldn't stop there. A Dyson Sphere would certainly be the first megastructure; but it would be far from our only one. The Matrioshka Brain There are a number of frontiers that humanity has only just dipped its toes into; and if you've seen Tron, then you'd know that the Computational World is one of them. If we can't be sending people all across the universe for a week-long vacation, then we'll do the next best thing: create a whole new universe from here. What is the internet if not a massive new realm for us to explore and define? Built out of information, sprawling far and wide across the world--and all to the comfort of our iPhones and laptop computers. Thus, just like energy consumption, humanity is going to improve efficiency; and also increase consumption. I don't think I need to tell y'all that internet has completely skyrocketed in recent time. The trends match our Kardashev Scale types, with increasing consumption and requirements. ^ ^ ^ that is the first personal computer ever built: the IBM PC. It's boxy, chunky, and has that whole massive array to it. It could process a total of 5 Megabytes. And this: Is an apple watch. You can wear it on your wrist. It can process 16 Gigabytes: 3200 times more than that chonky boi up there. So what's your point? I hear you ask; and a good question, too. I haven't the leastest clue about data and software and stuff like that. Heck, I can barely screw up the HTML of a google page with the inspect tool! And, frankly, none of that really pertains to space travel. Which is where the Dyson Sphere comes in. Like anything else, storing and retrieving data requires energy. Your phone doesn't work if you never plug it in, and the more anime you stream, the faster it dies. It takes about 0.2 mJ to store a single bit of information. That's not much, but if you take the 175 Zettabytes of data (projected to be the amount in the so-called 'datasphere' by 2025), then that makes 280,000,000,000,000.03125 Megajoules of energy. That's in the trillions, so considering that our data usage is only ever going to go up, we're going to need something big for processing all that. That's when, in 1997, Robert Bradbury proposed that we build a series of dyson swarms in layers to create the ultimate computational machine: the Matrioshka Brain. It would literally be a star-sized computer (the layers would be to capture all the waste heat coming off from the computation to fuel the next layer, minimizing energy loss). After completing a Dyson Sphere, this would be the natural next step. Imagine outsourcing all your computations to this massive machine: it'd effortlessly take on any lag, bandwidth, and RAM, then simply stream the necessary images to flash up on your screen. Given optimizations and breakthroughs in internet technology, streaming the internet could become the next massive leap in humanity's journey through the Datasphere. The Sunny Meal I'm making this one up as I go along. I was considering other possible implications of a Dyson Sphere, then thought of this: a dyson-powered food factory. Photosynthesis is the reverse process of Respiration: it takes carbon (usually in the form of CO2) and water (H2O), then combines them using the power of the sun to create a hydrocarbon, or ATP (for most plants, this is glucose: C6H12O6), with the added bonus of an Oxygen (O2) runoff. When plants are consumed by an animal (say, a cow), that cow converts that ATP into instant energy, and stores some of it for later use by building up fat and muscle. Then, when us humans ruthlessly murder that animal (say, the cow), we consume its flesh to soak up all the potential energy it had left; which also gets turned into instant energy... and also fat. It all starts with the sun: our planet's ultimate energy source. So why don't we keep on using it? Advancements are being made in artificially growing meat cells - for enough money, you can probably get yourself a 3D-printed burger right now. This, of course, is both more consistent and a lot more ethical than raising and killing animals in nasty meat farms. Imagine what we could do with this technology using the sun's power? And that's not all: glucose, fructose, sucrose, and all the sugars in-between are what we science-minded folks call Hydrocarbons. Turns out they're actually the exact same thing we use to do stuff like fire. When you watch your marshmallow drip off your stick and plunge itself into the flame to be blackened and consumed, what you're seeing is the fire take in oxygen from the air to complete the exact same process that you use to make your own energy: respiration. Humans get the O2 by breathing, fire does it by... existing; it's combined with the hydrocarbons, then harvested by splitting the bonds (thereby releasing energy) to release H2O (usually in vapor form) and CO2. What that means is that humanity has been powering its factories and cars by taking dead sugar and getting energy out of it using nothing but good ol' fashioned breathing... the whole time. Almost makes you wonder if fire is actually alive, and if we've just been enslaving it for our own benefit. Eh. It's not exactly off-brand for us. What I'm saying, ultimately, is that we could start making self-producing food. We make massive energy collectors using the Dyson Sphere (including a lot of CO2 and water), and include photosynthesizing machines to directly convert this energy into storable packets of ATP. These would sit around for a few weeks/days/hours, then ship themselves back to Earth and our other colonies to be manufactured into something more tasty. This could free up land to decrease agricultural requirements, allowing us to more efficiently use our real estate (for important things; like actually putting our massive population somewhere for once). I have no clue if this'd be actually viable or even functional, but with all the crazy scientists adding their two cents to the Dyson Sphere thing... well, I thought I might add some of mine. The Stellar Engine: *Cough* looks like we're all out of time, folks! Make sure to like and subscribe, and hit that bell so you don't miss out on our next big article: Moving the Solar System Out of the Way of a Massive Incoming Asteroid So That We Don't All Die!
  3. In Defending Elysium, Faster Than Light (FTL) communication and transportation - and all of cytonics, really - were viewed by alien life forms as interchangeable with Primary Intelligence and Civilization. And later, near the end of Defending Elysium: So the aliens have assumed that a civilization must reach Primary Intelligence and a completely peaceful society before attaining FTL travel (cytonic hyperdrive). Both Jason and Spensa seem to prove this theory incorrect to a degree, though I am certain that M-Bot's cytonic hyperdrive would never have been engaged had the Battle of Alta not been won a decade before, allowing the clans to come together and Spensa to grow up with some civilization in Igneous. The primary mission of the Krell (Varvax? Tenasi? Those and more?) seems to be preventing humans from congregating in large enough groups to form a society and gain civilization because they know that this is the path to FTL. Pre-Battle of Alta, Spensa's dad (Pages 6 & 9) says, And then later, from the top brass (Page 95): And then the big reveal at the end (Page 509): So annihilating civilization without annihilating human race is the Krell goal because the Krell know that civilization leads to FTL. The Krell must suspect Spensa is close to FTL, as they suspected her father was, but Spensa indicated that they didn't know she could listen in on them and that they certainly didn't know she could FTL travel. The Defiants are far too uncivilized for FTL, yet, at least according to Varvax theory, and still, humans seem to be defying this law of reaching a peaceful civilization before achieving FTL. So this theory seems both partially right and partially wrong. I'm convinced Spensa's cytonics bloomed as a result of the Battle of Alta and Igneous's civilization, but Spensa is a far cry, even at the end of Skyward, from a peaceful person, and Defiants are a far cry from a peaceful civilization. So perhaps the aliens are wrong about what constitutes civilization. Is peace at all costs civilized? Are cytonic-stifling concentration camps civilized? Is what the Krell have done to the Defiants (bombing to scatter, making Defiants warmongers) civilized? My hope is that the Defiants will soon be undergoing an FM revolution, one that will raise them all to Primary Intelligence even if they aren't the same peaceful civilization the aliens insist must occur to reach that level. FM's philosophies on civilization are explored on Page 190: And as a bit of an aside but still related, Doomslug! That Doomslug FTL travels seems at least 90% certain given how she moves with lightning speed whenever Spensa's not looking. Aliens tell us that one must reach Primary Intelligence to obtain FTL, and so Doomslug appears to be a creature of Primary Intelligence. Dude!!! That would mean, at the very least, Doomslug is sapient. So is Doomslug Krell? I think that is a distinct possibility, but I definitely see her as friendly even if she is the enemy. The Varvax are "small creatures that floated in a nutrient bath sealed within their inorganic shells [enormous exoskeletens]," but what if Doomslug lost her exoskeleton? Could Varvax survive without these and their nutrient baths?
  4. We know that we'll eventually see FTL travel be developed, probably using time bubbles to achieve speeds a few times faster than the speed of light. This while fast would still mean that journeys take months or years. However we've seen teleportation on Elantris and Roshar which cuts travel time down to the few hours typically spent getting into and out of airports. As such we can expect that anyone near to a place capable of teleportation like Sel would travel there and then be sent to their destination. For transporting vessels this processes would be fun, as the ship would have to get close enough to elantris. If the range in which aons function does not extend sufficiently far upwards then ships would have to descend into the atmosphere and go through reentry until they where in range. Ideally the aons would be in geostationary orbit, but if that's not possible floating aons in turn suspended by other aons would be second best. This is because being higher up would reduce the need for features enabling the spacecraft to survive reentry and a planetary environment. For the aons to be sufficiently powerful they would have to be large and possibly complicated. Due to this the aons would probably take months to construct and launch making them expensive, but ultimately well worth the cost. it should be noted that due to the stars moving relative to each other you would be unable to be teleported directly to another planet but would instead have to make a short in-system flight to your destination. To Clarify my proposal for the Elantris system would be one way A similar thing may be accomplished using fabreils similar to the oathgates which would have the benefit of being able to move with your destination and being two way. However we don't know much about their construction, how the cost of transportation scales with range, and the access to significant amounts of storm-light away from Roshar seems unlikely. As such if this method is used it will probably be used infrequently and only with one end always being on Roshar.
  5. So we all know that Mistborn Era 4 Scadrial has become a space faring civilisation, and that in Sixth of the Dusk, there is at least one civilisation that has reached this status. Given the sheer versatility of the investiture systems, it is pretty likely that the aliens are in fact Scadrians. That opens up so many questions, but I would like to focus on one specifically: how did they do it? As mentioned before, it is Scadrials magic systems which probably made them the first space civilisation. I believe that it is a combination of Cadmium, Bendalloy, Ettmetal, and Medallions which have allowed them to enter the space frontier. Bendalloy makes speed bubbles, so if you attach one to a spaceship, the math on the wiki page says you would compress 2 minutes of the ship moving at full speed into 15 seconds of actual travel time. The problem with this is that people inside the spaceship will still age, as it is time which is being manipulated. That means that while the spaceship would travel FTL relative to the cosmere, inside the bubble, people would age normally. Essentially, it unpractical space travel and very limited. BUT, if you also create a smaller cadmium bubble around the structure of the ship ( a C.bubble within a B.bubble), we know from this WoB that the effects will cancel out: This means that the crew wouldn't be trapped inside the speed speed bubble, and so will experience time normally. However, to make this technology even more efficient, the Scadrians would put up ANOTHER cadmium bubble within the first cadmium bubble (C.bubble within C.bubble within B.bubble). This would allow them to travel FTL and not feel the time effects at all! Essentially, they would be able to get anywhere in no time. I do believe that Ettmetal will be used in the propulsion of the spacecraft, probably through some nuclear propulsion technology. This is what would take the spacecraft to such high speeds. I don't really know how to explain all the other uses, so here's @hwiles comment pulled from here: As for the medallions their benefits are endless: from breath, to healing, to warmth, to weight (which will probably be useful combined with pushing and pulling in space) and the various other technological impacts. NOTE: I just found out from the coppermind that time bubbles in fact compound if used together. This is crazy, and makes FTL travel much, much easier. A normal speed bubble speeds up time by a factor of 8. Compound this with 10 bubbles and you would be travelling insanely fast. WoB is unclear to me, not sure if will double (8x2) or multiply (8x8). We have no information on Cadmiums factor of change, but we can assume that it will be the same as they cancel, and that it'll also compound. Basically, you can use primer cubes each powered by Bendalloy and Cadmium, structured in specific layers. All the Bendalloy bubbles would need to be outside, and you would need about double the amount of Cadmium bubbles to counteract the Bendalloy bubbles and still create their own time-slowing bubbles. What do you guys think? Any other technology which would make FTL travel feasible or easier for Scadrians? (This is my first theory, so there might be gaps in knowledge. Feel free to point them out).
  6. Note: This is version 2.0, written in January 2017. It's primary purpose is to incorporate knowledge from the post-Bands of Mourning era, but I've also taken the liberty of re-writing/structuring some stuff, cleaning up a bit of phrasing, fixing the formatting/links that were hurt by the most recent site transition, etc. The original version of this post is in this archival post. Introduction: Time bubbles are fascinating. An essentially passive effect that has profound impacts on the very nature of reality. They're ripe for exploration and exploitation. But they're also complicated. Brandon isn't much of a physics/math guy, and he knows that; the passage of time is a pretty fundamental aspect to most physics and messing with it can get messy. Because of this time bubbles have a lot of asterisks and exceptions built into them. So our intuitions about what happens when you speed up or slow down a patch of space-time aren't going to align with what happens in the cosmere, and Words of Brandon are more necessary than usual. Though we have an unusually large reliance on authorial fiat for our fundamentals, we can use those building blocks to go far with our analysis/logic. Time bubbles follow their own consistent rules: There's no need to throw up our hands in despair just because we can't trust our initial intuitions. Now I'm an old bantha, but one advantage is that I kind of know... everything... about time bubbles. I'd be highly interested if anyone could come up with anything I didn't know we knew, at the very least. So in the interests of public knowledge, here is a thread that lays out everything I know (that I can remember I know) about time bubbles, along with some clearly-demarcated expansions into the theoretical where I think it safe. (xTc) Table of Contents: (you can word-search for sections by xY values) x0. A note on terms x1: Frame of reference x1.1: Anchoring x1.2: Hitting moving bubbles x1.3: Misc. x2: Entering and exiting time bubbles x2.1: How occupancy is determined x2.2: Jostling x2.3: Edge-case physical interaction x2.3.1: Occupancy of clothing and held objects x3: Bubble interaction x3.1: Subjective burn rates x3.2: Competing bubble effects x4: Reality of time bubble effects x5: Conscious control of bubble attributes x6: Effects of duralumin/nicrosil x7: Effects on various magics, aluminum x8: Faster than light (FTL) possibilities x8.1: How I think FTL would work with time bubbles x8.2: Mechallomancy and time bubbles x8.3: Disclaimer x9: Realmatics xCn: Conclusion xAr: WoB Archive (x0) A note on terms: I'm not too ashamed to admit that I've been responsible for creating/using some... unorthodox terminology over the years. Sometimes it's intentional as I develop a term to describe/clarify a new concept, other times I'm just mistaken. Nowhere is this more present than in my discussion of time bubbles: for example, no one in the books calls them time bubbles. They're all referred to as "speed bubbles", even cadmium bubbles. So here's a list of potentially problematic terms, including any canon ones that might be unclear if I come across them. This is a living list, so feel free to post asking me to add/clarify anything. Time bubble Also known in actual canon as a "speed bubble". The area of space-time affected by an Allomancer (or mechallomantic cube) burning either bendalloy or cadmium. Compression factor A term for the "speed" of a time bubble. Either how much it speeds up time (bendalloy) or how much it slows it down (cadmium) in relation to the normal flow of time. So a bendalloy bubble where every second on the outside corresponds to 10 on the inside would be have a compression factor of 10x, where the reversed cadmium bubble might be 1/10. Bubble anchors/anchoring Refers to the frame of reference that a time bubble is "still" relative to. Can refer to either an abstract frame of reference or a specific object the movement of which constitutes that frame of reference. Jostling Refers to how objects are jostled/refracted/deflected as they cross the borders of time bubbles. FTL Stands for "Faster than light", a term for viable interstellar travel mechanisms that bypass the need to spend years or decades going at sublight speeds through the vast emptiness of space Mechallomancy A term used to refer to the "mechanical allomancy" (/feruchemy) used by the Southern Scadrians, and first seen in Bands of Mourning (x1) Frame of reference: Frame of reference is one of the spots where things start getting weird with time bubbles. Time bubbles change both the flow of time and the way that objects move within their sphere of influence. The exact way they change these two factors, though, is dependent upon frame of reference. Look to this WoB, our earliest on the matter: Bubbles anchored by bond: It follows upon any degree of thought on this WoB that bubbles "not moving" actually means "at rest relative to the frame of reference of the surface of Scadrial where Wayne first cast it." That bubble is moving around the planet's axis at some absurd speed, around Scadrial's sun at some more absurd speed, around the galactic core at a different absurd speed, and outward from the origin of the universe at an even more absurd speed. And yet a Wax that is "moving faster" inside a speed bubble isn't all the sudden catapulted into space at a thousand meters a second. His movement through space is only accelerated relative to the the bubble's definition of "at rest". How the anchor that defines "at rest" is decided a key question, then. (x1.1) Anchoring: We've got a few WoB's on the question of how bubble frames of reference are determined, at least so far as how the bubble itself moves through space. Bubble anchor determined by what it cuts You'll notice that this stands in nearly direct contradiction to the other (much older, admittedly) WoB where a train was an example of where the bubble wouldn't stay anchored. Thus the tone of surprise on my part for this new WoB. In regards to how to reconcile the two, I'll quote myself: This new quote goes into quite a lot more detail, is unambiguous as to the bubble being on the train, and is newer, and so trumps the old one if they are in fact in conflict. I can't find it at the moment, but someone has suggested that a way to reconcile the two WoBs is that for the first Brandon was thinking of the big picture where the bubble is shortly ripped off the train by the "jarring". Reading the newer WoB, a charitable interpretation has "it's probably going to ruin your time bubble" occurring over the course of instants, rather than minutes or seconds. Myself I lean more towards this just being an evolution of how Brandon models bubble frame of reference, at least to some extent. Perhaps he got to thinking more deeply about why a bubble on the train intersecting the ground wouldn't work and decided to weaken a previous "well the ground intersecting the bubble would just instantly pull it out" to a weaker "the ground intersecting the bubble will just gradually pull it out", or the like. - Then we get into some other mechanisms for anchoring bubbles. Savants can anchor their bubbles to themselves Complexities of what affects anchoring We also got some nice in-book evidence from Bands of Mourning. So anchor-determination is complicated. We've got a combination of local cognitive polling, savantism, cognitive gymnastics, mass, and likely speed. I wouldn't be shocked if there weren't more factors at play. At a guess, I'd say that these factors are all in competition for each other. Perhaps a very fast but small object will beat out a somewhat-massive but slow one. Or a savant might have an easier time de-anchoring a bubble from a moving train than from the surface of Scadrial. The core takeaway here is that bubble anchors can be manipulated, through both gross physical interactions and more realmatically-based shenanigans. - It's implied in the scene where the gang is testing out the primer cube by tossing it around that the cube spits out a bendalloy bubble while its in mid-air, then proceeds to land on the ground near Marasi with the bubble still centered on it. This would imply that the cube either has some special ability to anchor bubble frames of reference or (as I'm about to suggest) that while the bubble was airborne it simply "defaulted" to being anchored to the cube, but when it landed it assumed a normal ground-based frame of reference. This supported by Marasi walking up and picking up the cube off the ground without any mention of the bubble shifting. This is by no means a sure thing, though, and also raises questions (which I will not attempt to address) about what would happen to Marasis if she's standing still on the ground and gets "hit" by a moving bubble. - As a general note, there is some possibility that the bubble's movement and its frame of reference could be de-coupled from one another. So a bubble could be moving North at 5 m/s while having a frame of reference that thinks it's heading South at twice that speed. This would do some fun things to the motion of captured objects, I think, but by "fun" I here mean "more complicated than I want to think about". I do not believe that this possibility is likely, from a purely literary standpoint, given the complications that would ensue from it and the fact that such de-coupling has never been suggested by either books or WoB. Also Occam's Razor. Assuming that the bubble gets its internal frame of reference from its own movement through space, we can simplify things by assuming that whatever anchor the bubble is "linked" to is what defines both frames of reference. So a bubble anchored to a spaceship (to choose an entirely random example...) would be exactly at rest from the frame of reference of the bubble; this would mean that the ship wouldn't travel faster through space, since the ship isn't moving so far as the bubble is concerned. (x1.2) Hitting moving bubbles So we have all this evidence that bubble-anchoring is a thing and that it's possible (if at least somewhat non-trivial) to manipulate a bubble's anchor using both realmatic and brute-force physical means. What does this mean for when moving bubbles intersect "still" (for certain definitions) objects? Moving bubble's effect on captured object movement: Aside: So this was a fun conversation to have with Peter. I broke out MSPaint more than once. Peter's answer essentially destroys some of my more high-level thoughts on what happens when something's hit by a moving time bubble. This thread of mine is wrong on more than one level. The first level is that I was wrong even within my model: by what I said then even bendalloy bubbles should shuttle objects backwards by some degree. The second level is my assuming relativity of reference frames, where from what Peter says it looks like there needs to be some other mechanism at work to decide how the cork is "really" moving. To summarize farther, if you toss a cork over a moving train that has a time bubble on it, then that cork's frame of reference essentially gets incorporated into the bubble's/train's. The cork is all "I'm moving straight across this here train" and the bubble is all like "okay, you do that". The cadmium bubble case is easiest to grasp here: upon intersection, it's as if the cork is caught in amber, slowly pushing its way straight north across a bubble of space at the same time as that bubble tows the cork farther and farther east. - By my reading, one interesting consequence of this lies in the path the cork takes over the top of the train. In a world without time bubbles, the train would be moving under the cork as it flew over it. So, looking from a vantage point above the train, we would see the cork cross over the edge of the train at point A, then over the opposite edge at some point B that's further towards the end (read: western part) of the train, as the train's been moving under the cork as it flew. So if it was high noon the shadow of the cork would have described a diagonal from south-east to north-west on the top of the train. But once time bubbles get introduced, things are a bit dicier. My own more relativistic model from before this WoB would show the cork following that same diagonal from A to B, just faster/slower than normal. So a speed bubble would see the cork popping at at point B before B drew level with the cork-thrower. This fell out as a natural consequence of the model. The new model we get from Peter doesn't allow such a thing. Read literally, the cork enters at A, then eventually exits directly north of that point at some point A' (with A' described by the intersection of the north part of the train with a line perpendicular to the edge of the train and intersecting A). The fact that the cork never ends up west of the train seems to necessitate that the cork exits at some point at or east of A'. This means that the lateral movement of the cork relative to the top of the train is eliminated by hitting the bubble. This has theoretically interesting consequences for projectiles (throwing a grenade to hit Miles in the face, accounting for the motion of the train, will fail if there's even a 1x compression factor bubble over him), but realistically deflection will probably play a larger role in such uncontrolled circumstances. The more relevant case here more controlled circumstances: could this lateral movement elimination property of time bubbles be used deliberately? An incredibly inefficient example that comes to mind (I believe I'm stealing this from someone else, but can't recall who) would be using time bubbles as a delivery mechanism for high-energy projectiles: Shoot a railgun into a very very slow cadmium bubble, then move the bubble's anchor to be right next to the enemy ship and once the railgun round wins free it's pointed exactly where you want it to be. -- I'm also a tad confused by Peter's "In fact, I think it's safe to assume that the train is always moving to the east faster than the thrower is throwing the cork to the north. In that case, both types of bubbles will always end up pushing the cork at least somewhat to the east" line. It seems logical that any non-infinite compression factor for a bendalloy bubble would result in the cork ending up at least a bit farther east than it would have without the bubble. I'm not sure what the relative speed of the cork/train really has to do with that. So either Peter misspoke or there's some deeper logic to relative speed of motion in the bubble vs. cork scenario so far as what frame of reference "wins". I'm inclined towards the former, myself. --- There is also the additional edge-case of what happens if that train-bubble intersected someone with their feet firmly planted on the ground, or if the cork had a string attached to it leading back to the cork-thrower. Both are beyond the scope I can address at the moment. - Here we have a later attempt of mine to get some more information on this front: Conservation of momentum on entrance tied to redshift-solution: I got nothin' here, just thought it was worth putting in. (x1.3) Misc.: There is also the issue of how time passes within the bubble. Regardless of whether an object's movement is changed, it's still going to experience the same weirdness with the passage of time. This introduces... weirdness as traditional models of movement as <unit of distance>/<unit of time> are a bit skewed by everything's experience of time flowing faster/slower with only passing relation to how their movement is affected. I'll discuss that weirdness further down. Beyond that, there are some small concerns for what the relativity of the passage of time has to say about all of this. I haven't addressed this directly in the past, but I don't think we need concern ourselves with it overmuch, as the scales of relative speed where this would matter are all such that objects are going to be almost immediately yanked out of the bubbles anyway. Not much time to experience a slightly altered flow of time. If I had to guess, though, I would imagine that time bubbles are frame of reference agnostic so far as the passage of time goes. So a speeding-by spaceship that experience 1 second for every 10 of ours would experience 10 for every 100 of ours in a 10x speed bubble anchored in our frame of reference, as opposed to 91 or something odd like that. (x2) Entering and exiting time bubbles: Ah, bubble-border problems. How I loathe them. This is still one of the less well-explored areas of time bubbles. Bubble boarders are... odd. This has been one of the more weirdish topics about bubbles since we first started talking about them. Gradually, though, we've been accumulating WoBs. Bubble borders static So borders are static and do not "distend" or stretch out objects or anything weird like that. You put up a bubble and that border is going to stay put as a nice little sphere, no moving or changing in shape or the like. This has some interesting impacts on some other aspects of time bubbles, particularly occupancy. As a general note, many of the oddities regarding how time bubbles behave have to do with transitions between being inside/outside of the bubble. Doylist rationale behind bubble mechanics: (emphasis added) This "loss of kinetic energy" is a general trend we can observe from the earliest days of time bubbles Loss of kinetic energy: -- Side note: Light. It's weird. But it's not weird for any good in-universe reason that we know of, and there likely isn't one. At core it's all a result of handwavium being burned because if you actually red/blue-shifted light properly really really weird and unhappy things would happen. Like microwaving people. Nothing more to see here, really. There is a bit more realmatic stuff coming out more recently, however. Bubbles changing speed of light considered, but not what happens: Light explanation a ways off So yes, there is a going to be a Realmatic workaround to make everything mechanically jive with the whole "let's not microwave people" thing, but we won't see it until we're all gray in the head. (x2.1) How occupancy is determined: So this brings us to talking about how we decide what's in or out of time bubbles. If you have half an object inside of it, is it going fast or slow or half and half? Excellent question. Glad I asked it . Bubble occupancy So objects are either in or out in their entirety. Moreover, this gives us that bubble occupancy is determined Cognitively, the whole "how an object views itself" shtick. If we're to follow the usual formula, the other "part" Brandon was talking about is just how other people view the object. This is interesting Realmatically, and also lets us get away with buildings not being torn down as their support beams shear off or stuff like that. Beyond that, it tells us that whether an object is included if its half-and-half really is "what sounds right", to some extent. It's a question of whether you/the object/observers would judge that an object is properly "in" some arbitrary space when parts of it are outside of that space's boundary. Beyond this Cognitive fun for determining "in-ness", living things are special: Living touch enough Included as soon as you touch: - These two sets of WoBs seem to run counter to each other. On the one hand, we're told that if a train is excluded from the influence of a bubble then the people inside of it are too. But the bubble isn't "distended" by the train—a fact we know because of the "static" WoB at the beginning of this section. So the people in the train are still technically in the bubble, still touching it. This should trigger the "if you're living and you touch a bubble you're included" clause. Given that the train is not holding the bubble out, it seems that just that being "in" an object which is not affected by a bubble is enough to keep an otherwise-wholly-encompassed person out of the effects of the bubble. Looking to the fact that "any living thing touching the bubble is affected by the bubble", then, it seems that in an important sense people within a train aren't "touching" the bubble. My conclusion from this, then, is that passengers in that case are not touching the bubble because they are counted as "part" of the train in the same way that the train's engines and individual cars are "part" of some larger train object. Like how there is both a bead for a door and a bead for a wall containing that door in Shadesmar. Actually, this needs its own thread to explore. Have a thread, with attendant conclusions: (x2.2) Jostling: We know that objects and people are "jostled" when they enter or exit time bubbles. It took us a bit (until Bands of Mourning, in fact) to nail down that both entrance and exit cause jostling for both types of bubbles, but through the first three Era 2 (AoL-era) books we got examples or in-text exposition that clarifies that "jostling" happens for both bendalloy and cadmium bubbles whether the object is entering or leaving it. Some book quotes on the phenomenon for reference, though references are scattered through the Era 2 books: There's also the possibility that jostling messes with sound, given this quote: In this case, there are several possibilities for why sound is disrupted, not least being that the incoming sounds just get their frequency messed with. Jostling is still a distinct possibility, though. - We know some things about how jostling works on a more general level. Jostling theoretically predictable, realistically chaotic: The deflection objects suffer when passing through time bubbles is also proportional to the bubble's compression factor: so a 1.5x time bubble would deflect objects less than a 15x one. Deflection proportional to compression factor of bubble Richochet effect Brandon's response to the punching question (which response I, of course, neglected to give my full attention to because of course) gives some hint as to what factors influence the jostling. His talk of "losing momentum" and use of the word "ricochet" both suggest that the effect is a function of the speed and/or mass of the object. One aspect of jostling we don't know is if the angle and/or force of this jostling is a function of the size or the speed of the exiting object. We also don't know if the angle that an object hits the edge of the bubble at matters. -- When all's said and done, we know frustratingly little about how jostling behaves upon that moment of exiting the bubble, or its deeper implications. We do have Brandon saying: Leaving bubbles causes unique/rare effect: He then laughed and said "That won't make any sense for 10 books" This leads me to believe that this might be related to the FTL travel. So something worth talking about is happening here. Something "unique or rare", in fact. (x2.3) Edge-case physical interaction: In terms of thought experiments, odd things happen when you have moving objects that are accelerated/decelerated by time bubbles when they run into objects that are too big to be included in them. What happens if you have someone on a train who's trying to "go" 10x faster because he's in a bendalloy bubble that the train doesn't acknowledge? Example 1: So Wayne is on a train, leaning against a wall in the direction that the train is traveling, going 60 mph. He casts a bendalloy bubble which takes the ground as its frame of reference. The bubble doesn't stay with him for long, but what happens while he's there is the concern. The bubble is tied to the planet, so it sees Wayne going 60 mph and tries to boost him to 600 mph relative to the rest of the world. Now the train is too big to be part of the bubble, so that wall Wayne is leaning against is still going normal speed, only 60 mph so far "rest" relative to the planet is considered. So bullet-Wayne is now trying to go 540 mph into a solid, unmoving wall for at least a few tenths of a second. Does he go kersplat? If he were in the bubble for longer (say it was bigger), would his corpse be actively pushing the train forward, what with it's non-slowing, continuous energy input? -- Now this example might not work because perhaps even a small bendalloy bubble within the train is still enough to trigger the train's "NO Wayne, don't go into the bubble!" response. So let's modify it: Example 2: So Wax is steel jumping along outside a train, going the same speed as it in an essentially straight line. Let's say he runs into a (stationary, relative to the planet) speed bubble. If he's above the train, then he'll zip along for a moment and fall out, having moved ahead relative to the train. Same if he's next to the train or far enough behind it. But what if Wax is, say, one foot behind the train at this point in time? If Wax were alongside the train, he'd find himself a bit ahead of its caboose when he exited the bubble. But in this case he's behind it, and now approaching the train at 60 mph. Is he going to faceplant into the train? It seems he should, really. And there's no justification to say he's "on" the train, since he's flying along outside of it has been for quite awhile. Yet it seems odd, as in the earlier example, for someone affected by a bubble to directly collide with an object not affected by it, where this occurs collision solely because Wax is being affected by the bubble and the train isn't. -- This problem exists in many forms, especially if you start going all frame of reference on it. I do not have rock-steady and fully satisfying solution, but I think my "belonging" thread generated by the Occupancy section up above (x2.1) might give some insight into a possible answer. The concept is that Wax doesn't get splattered as soon as he hits the back of the train because as soon as he comes into contact with it he counts as being "on" it, or at the very least as a part of it. If the train is big/weighty/rooted enough that it isn't affected by the time bubble, then it's also weighty enough to pull Wax onto it immediately and cancel out the effects of the bubble. (x2.3.1) Occupancy of clothing and held objects: This is likely the exact same way that clothing and/or held items behave for time bubbles. While I have my whole thread on the matter, I have yet to address what happens to clothing when people touch time bubbles. I think it intuitive and natural that their clothing is included in the speedup/slowdown as well. It wouldn't do to have a "pulled out of his socks" situation it a man poked a time bubble with his finger while running by. So perhaps the mans clothing is included in the direct, "this is part of the human's Cognitive aspect" sense. It's a bit more of an open question whether held-items (like weapons) would have the same privilege. However this "part of me"-ness is acquired, there's a good intuitive case to be made that it's near-instantaneous, at least so far as bubble occupancy is concerned. If Wax sticks an arm out to grab a gun a moment before the rest of him flies through the bendalloy bubble, we wouldn't necessarily expect that gun to rip itself out of his hand. We wouldn't expect individual nuts and bolts on a train to try and fly off as the they ran through a cadmium bubble just because they were put onto the train during maintenance yesterday. We wouldn't even necessarily expect spare parts lying on the floor of the train, still waiting to be installed, to have such a "fly off into the air" reaction. Another point to make is that I would think a man wearing gloves who touched the edge of a bubble with only the gloves might get included, as the gloves are a part of him. That one's a tad in the air, though, as to whether the "part of me" extends so deeply. We wouldn't expect someone whose shirt got cut by a Shardblade to feel pained by it, after all. (x3) Bubble interaction: Time bubbles can overlap each other. This results in... odd things. First of all, they overlap "like a Venn diagram": Overlap Venn diagram Cancelling only in area of overlap: Moreover, their timey-wimey effects are multiplicative: Overlap multiplicative There was also an interesting question relatively recently about whether nested bubbles directly interfered with each other's borders. It was RAFO'd, sadly. Nested bubble size interaction: Then we have the world's largest RAFO culled from reddit: RAFO on nested bubbles: So that's all fine and dandy. They overlap multiplicatively like Venn diagrams. This results in a little oddness with subjective burn rates (as expanded on just below), but it all makes a decent amount of sense on its own. The problem arises when bubbles don't share the same (approximately, at least) frame of reference. (x3.1) Subjective burn rates: In the normal course of events, Marasi is going to burn x grams per second of cadmium relative to her timeframe. So even if you put shuffle her in and out of various time bubbles, she'll always have the experience of burning cadmium at the same rate. Subjective burn rates There's still the question of whether bubblers somehow manage to get extra energy when they're enveloped by slow bubbles. Myself I would guess "yes" (call it feeding off the energy of the slow bubble or something), if only because Peter was so insistent on nothing "weird" happening in the other case. (x3.2) Competing bubble effects: Note: This subsection in particular is nearly all rampant speculation, so take it with a grain of salt. Overlap with regards to time is a no-brainer. Maybe relativity makes things a tad odd here and there, but as a whole you just multiply things together (~X/1 for bendalloy bubbles and ~1/Y for Cadmium) until you get the rate that time flows. Movement, though, is a scary story. Very scary. I have a big fat thread on the matter. It turns out that it's wrong in several of the details due to the PAFO-clarification WoP about the cork up above. The general idea is still sound, I think: I think it likely that how an object's movement through space is altered by time bubbles is a function of taking the movement vectors and compression factors of overlapping bubbles into account and multiplying them together to get a single vector of movement for the encompassed object. i.e., two speed bubbles with the same compression factor moving at right angles to each other will see an object moving off at 45 degrees as they try to drag the object along with them. Objects assume this altered vector of movement for as long as they're encompassed, and then resume their normal inertia upon exiting the bubbles. If they exit one bubble and are still within another, then simply stop accounting for that first bubble's effects on our object's movement. Keep doing this until you're not in any bubbles at all and congratulations, you're back in real time/space. This raises some questions in regards to how "real" the movement-altering effects of time bubbles are. Given all the talk we have from Peter and Brandon about time bubbles actually adding/removing kinetic energy from objects (like this one), we can fairly safely conclude that time bubbles actually quite actively invest and rob objects of kinetic energy going in various directions. This gives some credence, I think, to the idea that all we have to do is some vector math to figure out how overlapping bubbles parse it out. (x4) Reality of time bubble effects: It seems there is a subset of the community who have some degree of doubt over the "reality" of time bubbles, at least to some extent. Do time bubbles actually accelerate the passage of time, or do they just simulate it in part? If they just simulate it, to what degree do they do so? Myself I've always historically operated under the working assumption that the effects of time bubbles were fully "real" unless proven otherwise, but it's worth making sure of. Our first evidence of time bubble reality is Peter's age-old kinetic energy WoP, reproduced here for convenience: Loss of kinetic energy: This establishes the altered motion of objects within bubbles as "real" motion, not just some inertia-less scuttling about of objects. More recently, we've gotten a few more pieces of information. We know that the effects of aging and the passage of time can be accelerated by bendalloy bubbles: Accelerated aging (paraphrase): Watches need to be reset: The inverse also applies for cadmium bubbles. Cadmium hermit can time-capsule self: The most direct answer we have on the matter is sadly a paraphrase: Cadmium affects time, not perceptions (paraphrase): Together I believe these add up to a pretty firm weight on the "time bubbles really affect movement and time" side of the scale, but it's still and open question to an extent. (x5) Conscious control of bubble attributes: Exactly how much control "bubblers" have over their bubbles is a bit of an open question. We have a (somewhat vague, sorry about that, he was understandably tired/distracted and I was also tired) WoB addressing the matter directly: Degree of control, but only before casting My reading here is that Brandon's "not very much" at the beginning was directed at the "after the bubble is up" portion of the question, leaving us the still-not-very-promising "some discretion" at the end to apply to during the casting. Fear not, though! At the very least, this quote shows us that there is some degree of control over both compression factors and size at the moment of casting; added to this is the new fact that that "not very much" is a distinctly larger amount than "none" with regards to altering bubbles when they're up, though it's still in the air if it's entirely a matter of degree or if there's also differences in kind. Myself, I read the quote as saying that it's both, mainly with bubblers only being able to alter compression factors a bit via burn rate once the thing is up. - Later attempts to get more information bore little fruit. Bubble size/strength more controllable than shown, size not inverse to strength: - As a general overview, we know from the Era 2 books that bubbles don't (normally) move with their casters, and we also know that the bubbler leaving the bubble "pops" it. Moreover, both the Mistborn Adventure Game (a dubious source, but worth looking at) and the implications within the books suggest that the size of the bubble cannot be changed once it's been cast. So Wayne can't grow and shrink his bubbles however he pleases. The MAG would also have us believe that the "compression factor" of time bubbles—the factor by which they slow or speed time/movement—is set once the bubble is created. This is somewhat up in the air, though. This quote tells us that flaring the metal can give a greater compression factor. The question, then, is whether Wayne's bubble would have collapsed if he stopped flaring (going down to just a normal burn) or whether it's compression factor would simply have dropped. Myself I'm inclined to think that it's the latter. If not, though, then that tells us that bubblers can mess with their bubble's attributes, at least to some degree, even after casting them. I doubt this because of how "bubbler independent" these bubbles generally come across as, but it is a genuine possibility. Beyond being able to flare for increased compression factors, we have this quote about bubble size: Strength determines size This implies rather strongly that flaring could also be used to increase the bare size of bubbles as well as increasing compression factors. While originally I'd thought that there might be a tradeoff/inverse relationship between the size and compression factors of bubbles, the bubble size/strength WoB above looks to put the kibosh to that scheme. The possibility of misinterpretation/misunderstanding still leaves open the possibility of a super-small cadmium bubble being able to slow time to near stand-still or the like, but it's unlikely barring future, more expansive WoB. (x6) Effects of duralumin/nicrosil: Brandon has historically been suspiciously coy about what would happen when you use duralumin/nicrosil in combination with the external temporal metals. RAFO's are the order of the day. But we can extrapolate a bit from our above discussion of the extent to which bubblers can consciously determine the attributes of their bubbles. One thing to pay particular attention to in this context is how duralumin/nicrosil flares normally work: They compress all the power of the metal down into a split second. Not a singular point in time (because that's impossible and it would result in a hyper-steelpushing Vin exploding), but some very small interval during which the power rips out of the Allomancer all at once. Tied to this is the fact that burn rates are subjective to the bubbler, as discussed above. To get back to duralumin/nicrosil bursts, though, this information about subjective burning suggests quite strongly that a bursted-bubbler should only experience the normal "instant" of super-flaring. This means, for one, that we can't expect a nicrobursted Slider to get 10 hours on the inside to 100 on the outside or the like, since he'd have to be burning the metal for 10 hours subjective in that case. Besides running afoul of (reasonable, I think) interpretation of the subjectivity WoP, anything else would just be rather odd. Otherwise, we could end up with a time bubble that is no longer being sustained by the burning of metals, it seems, and the duration of which is oddly both too much in- and too much out-of the control of the Slider: he cannot stop burning bendalloy to cancel the bubble, yet he can still walk to the edge and "pop" it well before the bendalloy he's already burned has run its course. -Recall that, in the normal course of things, bubblers can just stop burning their metal at any time to drop the bubble. Not so in super-ultra-weird bursted bubbles that take a long time to run out subjective. - Assuming short subjective experiences, then, we have a few options to explore. In both cases, there are only two places all the extra energy from the duralumin/nicrosil flare can go to: increasing the compression factor or increasing the size of the bubble. Both are valid options, I would argue, because of what we've already seen about more powerful Allomancers making bigger bubbles, as well as flaring being able to increase compression factors. To avoid the "10 hour 'instant'" problem, any increase in compression factors must be... dramatic. For bendalloy, it'd have to be such that the Allomancer only experiences an exceptionally short interval. This means that you need to burn up all of the bendalloy in that short time and speed yourself up accordingly. This results in a situation where Wayne experiences 0.5s while the outside world experiences 0.00000000005s or the like. For cadmium, it'd be similar, though you can get a tad more utility out of it. Because the only time we have an upper limit on is the subjective experience of the bubbler, Marasi could experience 0.5s to 5000s on the outside, or the like. Alternatively, I think that we could maintain our usual compression factors (or at least something close to them) while pouring most of the extra energy into increasing bubble size. So you'd still get the usual 1:20 or whatever it is, but over a much larger area. Alternatively alternatively, the WoB about size not being inversely proportional to power could be generously interpreted to mean that you can expand both the size and the power of a bubble for the same flat rate, without any additional cost to do one as long as you're already doing the other. -- Theoretically bursting a bubble could be either an option between these two sets of results for the bubbler or Brandon could have it such that one of the results (either compression factor increase or size increase) is "locked in" and happens automatically when you burst. I am highly doubtful that it's the second case. We've seen Vin be able to have quite a bit of choice/nuance in her flare usage before, such as when she targets specific objects for steelpushes. If it is the second option, then I would wager (quite heavily) that we're locked into increasing sizes rather than compression factors. I don't know about you, but I find the idea of magically passing half a second while the rest of the world passes a millionth of a second to be... unimpressive. There's nearly zero utility for Sliders in the case where duralumin/bendalloy locks you into increasing compression factors. Besides my just saying "ugh that's not cool so it can't be true", I don't think Brandon would be so storming coy about the matter if the effect was this lame. So, in conclusion, I find it likely that using duralumin/nicrosil in conjunction with the external temporal metals results either in the bubblers being able to allocate the energy freely between increases compression factors and increased size or in the bubble being automatically expanded in size. (x7) Effects on various magics, aluminum: Time bubbles interfere with "almost all forms of investiture," it seems. Time bubbles interfere with investiture This makes sense from a Doylist perspective because things get weird and complicated very very quickly if you start talking about over-time steelpushes and the like. Realmatically... I suppose we can swing it easily enough, given that it's known how investiture tends to interfere with other investiture, and time bubbles are essentially a big fat mess of investiture altering the entirety of reality within their sphere (pseudo-intentional pun). It's possible that there's more to it than just investiture conflict, though... Some magics can bypass the interference of bubbles: Emotional allomancy works through bubbles because it's "over the top": This WoB is a bit unclear, but my interpretation here is that emotional allomancy operates on a Spiritual level, and in so-doing bypasses the timey-wimey effects of time bubbles. This is interesting because it implies that the way that time bubbles normally interfere with investiture is more a side-effect of their manipulation of time/space rather than a direct impact of the presence of the bubble. - We also we have this pseudo-RAFO on atium. Time bubbles likely affect atium in interesting ways Not much to see here, except the fact that it would be cool to see means that something likely happens besides just "oh the bubble interferes and you can't see anything outside of it." - Then there's aluminum. How exactly aluminum interacts with time bubbles is unknown, but it's generally a good bet that aluminum is going to do something screwy to just about any magic system, especially in Allomancy. We do have a bit on the matter. First, a RAFO: Aluminum RAFO Then a very confusing recording with an asker-approved paraphrasing: Aluminum creates dead space: (heavily paraphrased from a recording with approval by the question-asker, for clarity) If we're to take this WoB at face value, it looks like you could wrap yourself in aluminum foil and stroll through time bubbles without being affected by them. Which would be weird for essentially everyone involved, and suggests that aluminum bullets would also be unaffected. (x8) Faster than light (FTL) possibilities: Ah, FTL. The thing I tend to rant about the most. Brandon has stated multiple times that the third Mistborn trilogy will be a space opera where Scadrians have figured out how to get FTL using Allomancy/Feruchemy. Moreover, on later occasions (such as a WoB I'll be quoting shortly) he's narrowed it down to "Allomantic FTL". So we know that Allomancy is at the very least directly involved in enabling FTL, and it's quite likely that you can get FTL using only Allomancy and no Feruchemy. It remains to be seen whether the "mechallomancy" that they use on Southern Scadrial is at all involved, perhaps enabling bigger/more nuanced versions of known magical effects. --- Time bubbles are the natural place to look for FTL, then, because they change the nature of space-time, as many of the more plausible theoretical and sci-fi FTL-enablers do. The laws of physics in the cosmere are ours barring Spiritual shenanigans, so we still have to worry about relativity and can't rely on the infinite mechanical energy from Feruchemical iron or the like to get the job done. We have some quotes on the matter: Lost energy Several years later, Brandon PAFO'd the following question, leading to this eventual answer: Subjective burn rates How delightfully ambiguous of you, Peter. :\ Now Brandon had to initially PAFO the question, suggesting that this answer wasn't on the top of his mind and thus that it's not related to FTL. But there's also the possibility that yours truly simply managed to phrase it in a confusing manner. Brandon's initial PAFO was fairly fast, best characterized as "my give up" as the question was put to him verbally. Subjective burn rate PAFO: So it remains a possibility that these two answers are in fact linked as, as a first-blush look at their very similar diction suggests, and that this kind of subjective burn rate question is linked to FTL. Or not. Ambiguity. (x8.1) How I think FTL would work with time bubbles: I have multiple threads on this matter. The most recent (and only even possibly accurate one) can be found here. But I will summarize its points. Basically, you want to take advantage of how time and movement come uncoupled with time bubbles. You take a spaceship, accelerate it to some relatively fast but still reasonable speed (some very small fraction of the speed of light), and then do some shenanigans with time bubbles. What you want to do is encompass the entire ship in a bendalloy bubble which is anchored at a point moving, from your point of view, in a direction directly opposite that which you want to go. So if I'm moving from A to B, I want to start moving towards B and anchor my bubble on A. That'll get you accelerated movement. The ship will move at speed-relative-to-bubble-anchor * compression factor. Even if that gets you over the speed of light, the ship doesn't care because subjectively it's all good and not violating any physical laws or the like. You'll also need to encompass the ship in a cadmium bubble that, quite crucially, is stationary relative to the ship. This so that you can offset the extra time the ship/crew would normally experience in the bendalloy bubble. So now instead of the crew seeing the rest of the universe crawl by, they see it move by super fast. This works because the cadmium bubble shouldn't affect the movement of the ship through space at all (since it's anchored to the ship). Of course bendalloy bubbles are normally very small, so another thing I want to do is use nicrosil to increase their size for a second or so, just enough time for our ships to "teleport" (which is what this'll look like, essentially, from the outside) the length of the bubble. This being the effect of Allomantic nicrosil, as well as some ability to anchor bubbles at will and at different places depending on the user are both needed for this to work. - If Allomantic nicrosil fails us, we likely need to fall back to mechallomancy. So far as anchoring goes, I'm quite confident that out of all the options we have from up in the Anchoring portion of this post at least one of them will work out well enough. One example of anchoring that might work is the "cutting" WoB up above. Brandon was quite specific that the bubbles get their frame of reference from what they're cutting through: what the edge of the bubble is intersecting. So all we have to do is have the cadmium bubble intersect the ship and the bendalloy bubble intersect only the interstellar medium and we're golden. Some more thoughts on how the interstellar medium would perceive itself here, though most of our concerns on this score are actually overridden by a recent WoB stating definitively that (just about) all matter in the cosmere is at least a bit sentient, meaning that even little interstellar dust specks that no one's ever seen have some kind of Cognitive aspect: one that I would bet sees itself as "still" just like everything else in the universe acts like. - Here's Brandon's comment on the matter, insofar as I was able to ask him about it: FTL needs Nicrosil and/or time bubbles This is reassuring in that at least some part of my framework seems to be on track, but the "haven't figured it out yet" is troubling. In regards this "haven't figured it out yet" problem, we have a few other WoB's to look at. Missing big piece for FTL Quite awhile after this WoB, Aeromancer was kind enough to ask these questions: Unseen Allomancy required for FTL: Historically my hope here was that the missing Allomantic ability (that "very big important piece", it seems) was nothing more or less than something that enabled bubblers to anchor their bubbles in different locations. But given recent developments that suggest that it's fairly easy to mess with anchors, that might not be it. Another trick might just be using mechallomancy to manage bubble size/timing and the like, though the extent to which that represents "Allomantic abilities" is doubtful. (x8.2) Mechallomancy and time bubbles: As we saw in Bands of Mourning, mechallomancy plays very well with time bubbles. Marasi was finally able to live out her dream of trapping people in place in her slow-bubble as she laughed with glee, Wayne was able to toss his speed bubble around, etc. The question, then, is how this might interact with FTL. After all, what's a good sci-fi yarn without a redlined engine with exotic fuel, the sabotage of which leaves our intrepid crew stranded on a strange world? The immediate thought is the potential for different answers to the anchoring problem (might you be able to manufacture primer cubes that "think" they have one or another frame of reference?) or the potential to turbo-charge a cube for big/fast bubbles. Satsuoni, though, raised the interesting idea of just periodically tossing a bendalloy-primed cube out ahead of your ship as a way of getting a not-anchored bubble to travel through. Pick it up after you pass by, rinse, repeat. We have some more recent WoBs also suggesting at mechallomancy as a component of FTL. It's still unclear whether it's strictly necessary or just useful for practical applications (i.e., if you could zip along a life-boat sized ship with a team of perfectly trained Allomancers, but to do anything bigger/better you need some machine-precision/scale). Merger of magic and technology for FTL: Contemporary trilogy tech hints at FTL: (x8.3) Disclaimer: I would also like to note that I am not the only thinker in this field. Others have proposed theories talking primarily of using bubbles to achieve Alcubierre-style effects, and there are a few more out-there theories. Myself, I suppose an Alcubierre drive could certainly do the trick, it's just that my level of physics-brain, as well as my understanding of time bubbles, doesn't seem to imply that that's something you can get with time bubbles as we know them. ---- Fair warning that this section is by far the most "Kurkistan is a narcissistic monster" part of this thread—a thread which is already devoted to essentially saying "now listen up. I know everything so sit down and listen", so raising the level of egocentrism is an impressive feat. If you disagree with my conclusions here, then I wouldn't say that you're just going against the fundamentals of how time bubbles work. For the rest of the thread, though, I must say that I've yet to see any other cogent and plausible analysis of all the details. If only because I immediately jump at anyone who tries to develop one and spike-out their knowledge. (x9) Realmatics: Talk of Realmatics is for another thread, I think. I still have yet to really dig my teeth into this aspect of time bubbles (which is somewhat ironic coming from me), so most anything I put here would be new theorizing, not tested by time and thought/criticism as just about everything else in this thread has been. So, in short, we know that whether or not you're "in" a bubble is governed by the Cognitive on some level. We know that there's likely something Spiritual going on with how bubbles get "anchored," not least because "connectiony" things are nearly always Spiritual. There's also fairly good evidence that the movement-altering effects of time bubbles are "real" in the sense that sped-up objects actually have extra kinetic energy, rather than just sliding about due to magical shenanigans without any change in their intrinsic inertia, given Peter's comments on the matter. Whether this means that the change is Physical is not 100% clear, though. Most else, I think, is speculation that someone (probably me, given historical precedent) will get to at another time. (xCn) Conclusion: So thank you for your time. That's about all I can think of off the top of my head. I'll incorporate anything I missed if I think of it or someone brings it to my attention. In particular, please feel free to point out any parts of the original draft that I modified/excised inappropriately, if they catch your eye. If you came here because I threw a link at you in some random thread: Did I answer your question? (xAr): WoB Archive: For archiving purposes, here are all time bubble- and (possibly) FTL-related WoB's and WoP's I know of/can remember. Not all of these are referenced in the main body of the post. Change List: Re-wrote into version 2.0 after SoS and BoM - 1/09/2017 Added WoB on time bubbles affecting time - 2/11/2017
  7. I was going through my usually bought of theorizing when I saw something that jiggered a switch regarding feruchemical Iron. A little bit of searching from memory and some pieces came together. An Alcubierre drive is a theoretical FTL drive. An Alcubierre drive works by creating a field that displaces energy-density to a negative value in front of the ship into a positive one in the back of a ship. It's not actually faster than light travel, rather it is effectively faster than light, as the negative energy-density would mean that it compresses space-time in front of it and expands it behind it. I think of it like a space-time rubber band flick, except not like that at all. Now, I'm no physicist, but we happen to have the ability to make change the energy-density of things, sort of. We have Feruchemical weight. Feruchemical weight is in the physical block, so it actually changes some physical property of mass. It also has wonky physics. So, this is not a theory that will go into great depth at this time, but the premise is: Theory: Obvious problems are obvious: Can we make feruchemical devices? Can they transfer the mass fast enough? Does exotic matter (negative mass) exist in the cosmere? Would an Alcubierre drive even work? We won't know until much later, but I think this is potentially a valid line of questioning into allomantic FTL travel. It has the advantage of being very simple, of being rooted in real world physics to an extent, it's complex enough mathematically not to be discovered until the future (for Scadrians), it is effectively simple and elegant to implement in design, if not in detail. The core difficulties it faces all seem probable to be overcome when more information is available. Come n' give this theory hell, Kurk.
  8. I had this FTL idea since I read bands of mourning and secret history. My idea is based on feruchemy using machines similar to the one we saw in Bands of Mourning. We need a iron compounding machine fueled by self burning metal. We need a lot of fuel to be effective because we want to create a singularity with great amount of mass. If machine can focus enough mass in a small area it should be able to collapse space time but we still need another exit for this method to be viable as wormhole. We create another singularity at the same time with 1 difference. It will be tied to a strong Connection filled machine which is filled in another planet. When machine starts to tap Connection during the creation moment of second singularity it should theoretically create the singularity near the target planet rather than the original planet. The Connection filing device should be taken to target planet through normal worldhoping ways and will be filled there and brought back before we attempt wormhole creation. I think there should be some ways to stabilize wormhole and use it a stationary travel conduit between 2 planets.
  9. Get comfortable, folks. This is the kind of theory thread that I fully intend to save an off-web version of so that I can pull it off of my brain-drive 20 years from now when Brandon writes the third Mistborn trilogy. I do not intend to see any left-out sections at that point in time. Also, slight AoL spoilers. Background: Evidence: Assumptions: Main Theory Note: I'm scavenging this from several of my posts on the other thread, and will try as best as possible to credit others where appropriate. Feel free to call me out if I miss someone. Goal: Use cadmium bubbles to achieve infinite free acceleration and bendalloy bubbles to achieve FTL travel through real-space while retaining less than 'c' speed from the perspective of the ship. Propulsion: If we can actually break c in real-space in the Cosmere, then this will get you there. Otherwise, you're going to need. . . Time-Fiddling Movement: Ship Design: EDIT: Quick update: This is all wrong. Objects are either totally in or totally out of time bubbles based on their Cognitive aspects and frame-of-reference shenanigans means that anything matching the time bubble's vector will not be accelerated by it.
  10. Now, a redshift is a way of measuring a direction of a traveling star. This is because light comes in tasty flavors called spectrum, like the seven colors of the rainbow. Now, the reason red is on the inside is because it has the shortest spectrum (or actually red has the shortest spectrum because it is on the inside.) Therefore, red has the lowest frequency, and thus the highest wavelength. A star moving away from you experiences a redshift, meaning the object appears more red. Slightly. So, let's say a photon travels across a hall. Another one tries to on the same parallel track, leaving at the same time, but is in fact smashes through Wayne's bubble. (Pesky Wayne.) So, which one reaches the opposite side first? It's a tie. Lightspeed is a constant. Hence, no redshift. Even Wayne cannot mess with that. However, theoretically seeing as the photon going through the bubble is "sped-up", the photon should experience a negative redshift, aka a blueshift. Alright. I got this out into the open. Now someone with a Ph.D. in Physics make me eat a nice helping of humble pie.
  11. So, for a while now, we have known about the possibility of FTL travel allowed via Allomancy. I'm not sure where, but we are also fairly confident that bendalloy's speed bubbles have something to do with it. Now, in one WoB, Sanderson said that we were close, but we were missing an important part. I have tried to find any theories with relevant information, but it has been inconclusive. So, I'm going off of one WoB that I found when I was bored. This is by no means conclusive, but I have played around with it in my head, and I believe I have determined how FTL is possible using bendalloy. Break the Allomancer's spiritual gravitational bond to the planet. I propose that the way to do this is by making the gravity that is influencing the Allomancer come from a different source. Translation: put them on the moon. I don't exactly mean the moon, a spaceship with artificial gravity would probably do the job, assuming it was an adequate distance from the planet. So, you have a bendalloy burner in a spaceship with artificial gravity and plenty of metal. He burns the metal, and, assuming the bubble is bigger than the ship, the ship will begin to go much faster than an identical ship with identical power settings outside the bubble. So, with high enough burning rate and speed of the ship, you could go faster than the speed of light relative to the outside of the bubble. Basically, to an observer outside the bubble, you achieve FTL travel. Inside the bubble, you don't achieve FTL travel. I have little evidence to support this. To those with physics degrees or contradicting WoBs, fire away.
  12. I apologize in advance for putting you guys through this again. I was going to post this as a reply to Windy's new Q&A thread, but it got a bit long and I didn't want to hijack the topic. Some background: Don't bother reading this. At the end of the day, I discover (in a very tail-eating, rambling fashion) that frame of reference is very irritating and means that any time bubble "moving" with a ship would not affect it's motion through space. That's what matters now. Windrunner's new thread also gave us some new information on FTL: I have some thoughts on this snippet here, but for now I'll just be posting my current theory of FTL in its entirety on paper. I may have said this before, but it's what's most plausible to me given our current understanding and one or two crucial assumptions (hopefully the "big piece"): Give our aforementioned frame of reference problems, large-scale "teleporting FTL" is all that I can think of at this moment. This requires a pair of assumptions to be manageable: bubble "anchors" can be set relatively fluidly and nicrosil/duralumin increase the size of at least bendalloy bubbles to some fairly large extent. Given these requirements, an FTL ship would need at least one bendalloy/nicrosil combo (or a mistborn or Hemalurgist or whatever: it doesn't matter) and one cadmium misting. How it works: First, accelerate the ship to as close to light speed as you can manage. There are a variety of ways you can do this--infinite energy from Skimmers, very violent Pushes with Coinshots on anchors, etc. Then do a series of "jumps" until you get near your destination, at which point you start slowing down. Procedure to "jump": For each "jump" of the trip proper, have the cadmium misting puts up a bubble that encompasses the entire ship so that the crew and ship's systems don't need to experience any of the "extra" time during transit. Then have the bendalloy misting super-bubble the ship with the aid of duralumin or a nicrosil misting. Hopefully this bubble is several kilometers, if not several hundred, thousand, or million kilometers across. From the perspective of Scadrial, the ship will traverse this region of space at several times the speed of light: the (cadmium-bubbled) crew has the same perception, after you factor in normal relativity for the ships "real" speed. To help things along with this absurdly large bubble, empty space could be far easier to bubble (as I suggested here) because there is less stuff to be affected in near-vacuum, so an improved Bendalloy bubble, instead of just being 5 times bigger or something as it would normally be, explodes once it gets beyond the confines of the ship. This all sounds plausible enough, but the real problem lies in frames of reference of the "bubblers:" The bendalloy misting needs to set his bubble's frame of reference to the totality of matter in local space: surrounding stars and galaxies, primarily. This will get us a good enough "motionless" for our purposes, and allow the bubble to be "still" in space relative to our near-light-speed ship. We're okay with not having any absolute "rest" frame of reference because the entire point of FTL is to traverse local space. If you want to be a bit more parsimonious, you could just set some local star or other as your frame of reference, and it should probably work too. The cadmium misting, on the other hand, needs to set her bubble's frame of reference to be motionless relative to the ship itself, and hopefully set to approximately the same (if not an even higher) "compression factor" as compared to the bendalloy misting's bubble. This way, the crew and ship won't experience centuries of travel subjectively. Bubbles cancel each other out (multiplicatively), so this could work, allowing the cadmium-bubbled ship to move through the space contained within a much larger bendalloy bubble. The crew-saving cadmium bubble won't slow the ship down because bubbles that are "at rest" relative to anything within them do not have any affect on that object's motion through space. The end result is that you get "teleportation" where the S.S. Vindicator moves through normal space in a series of quick bursts many times faster than the speed of light, like when Wayne uses his speed bubbles to "teleport" in AoL. If you get multiple bendalloy and cadmium mistings together, you can exponentially increase how fast these bursts are without any ill-effects. Just to reiterate, this makes key assumptions: 1) The ability to not only "decide" where to anchor a time bubble, but to have two adjacent mistings choose different targets. 2) The effects of duralumin/nicrosil on bendalloy mistings being such as to increase the size of their bubbles. -2.5) The emptiness of space increasing the size of time bubbles as they have fewer objects to affect. ----- And so that's that. I've said essentially the same thing before, if I recall correctly, but not so completely. Given that Brandon has said we still don't know "a very big important piece of the puzzle", I'm not exactly flush with confidence that my theory is right. There remains the slight chance that assumptions 1, 2, and possibly 2.5 are these pieces of the puzzle, though.
  13. So I've seen people talking about Bendalloy/Cadmium FTL travel. I am apparently a big stupid moron, because said posts sound like Greek theoretical physics instead of regular theoretical imaginary magical physics. Could someone explain it like I'm five?
  14. I was going to append this to my Yet another FTL Theory thread, but it got a bit involved so I decided to make a new topic for it. Update: More involved even than I thought it would be. Sorry. I have some concerns about "Who bubbles the bubbler?"--okay, not really, but I couldn't resist. More accurately, what happens to the bubble of a Pulser or Slider under the effects of another time bubble? So: How is a Bubbler's burning affected, if at all, by being encompassed by another time bubble? Scenario: Wayne is inside the range of Marasi's bubble, and he throws up one of his own. Assuming the compression factors to be equal, Wayne will experience 1 minutes in his bubble for every minute passing in real time. So he'll burn however much Bendalloy he normally burns to sustain a bubble of X size with Y compression factor for 1 minute subjective. The key factor is the subjective experience of time, I think: The MAG (<sarcasm> that wellspring of entirely accurate Realmatic knowledge </sarcasm> [but really, the MAG is great. Just not accurate on some rather critical parts) says you burn Bendalloy at 5 minutes per charge subjective, and this also makes sense intuitively. But what if we put Marasi inside Wayne's speed bubble instead of the other way around? So time passes "normally" for those two while an area around the bubble is Pulsed. That's all well and good, but how is that exterior bubble being sustained? Cadmium within Bendalloy: Is Marasi burning less Cadmium than usual, since each second of her burning corresponds to many seconds when she would be burning if not affected by a speed bubble? If so, then what about the area corresponding to Wayne's speed bubble? That has to be sustained at a normal rate if she wants to properly cancel his bubble out and gain a "normal" passage of time, it would seem. But then we get a weird variable bubble-within-a-bubble-within-a-bubble effect, with the area that happens to correspond to Wayne's bubble getting special treatment. I think, then, that encompassing Marasi in a speed bubble ought to have some rather dramatic effects. I would say that her burn rate stays constant--which it really should, when you think about it, rather than being lowered against her will--and her slow bubble is getting a ton of extra energy: tens of times more per second than usual, at the least. It is as if her burn rate has been multiplied by whatever the compression factor of Wayne's bubble is, a super-flare just short of the Duralumin. Where to put this energy, though? As far as the part of her bubble within Wayne's bubble is concerned, everything is going normally. But the parts outside are getting an unexpected boost in energy, and need to put it somewhere. Increased compression: It could go into increasing the compression factor or Marasi's bubble. If so, Wayne's bubble would behave it was simply under the effects of one of Marasi's normal bubble, while the rest of the Cadmium bubble would be going crazy-slow. If so, then Marasi's time bubble would nearly smother Wayne's, with the the region encompassed by Marasi's entire time bubble moving at a the pace of a glacier with a bead of water moving alongside it, compared to the bullet of the rest of the world. If the normal Cadmium bubble gives you 100s on the outside for every 1s inside, then this one will give 10,000s outside for every one inside, while retaining the 100:1 ratio within Wayne's bubble. If Marasi had enough Cadmium to make 10,000s pass outside in 100s inside, then this bubble will last for the full 10,000 seconds in real time. Marasi and Wayne will experience 100 seconds, while those outside of Wayne's speed bubble will experience 1. Problem: This doesn't account for power gain. Assuming that Marasi is maintaining a constant burn, subjective, we're getting an absurd amount of time-distortion for free. This is because the increased compression factor of the slow bubble compounds back onto Marasi within Wayne's bubble, redoubling its longevity. Increased size: So we go to the other direction the energy from Marasi's "Bendalloy burst" can go: out. I would suggest that the size of Marasi's bubble would increase, while its compression factor remained constant. So Marasi experiences 1 second for every 100 seconds experienced within the rest of her bubble, as usual, but this 1 second is also experienced in real time. So her bubble dies out 100 times faster than usual, and all the extra energy goes towards increasing its size, encompassing and slowing more objects. I'd say the second option is nearly necessary, at this point, given the alternative. Do any other possibilities spring to mind for anyone? Bendalloy within Cadmium: And now we get to where I was trying to get for the FTL thread. I do hope you understand why I thought this needed its own thread What if Wayne was off to the side at the perimeter of Marasi's slow bubble: encompassed himself, but with about half of his speed bubble protruding. What happens to his bubble? The parts inside Marasi's bubble are getting their normal flow of energy, so they ought to be fine. But the parts outside are getting 1/100th what they expect. Disparate compression factors still don't make sense, so it seems we're left to shrinking the real-time portion of the bubble to cover 1/100 the area it normally does. But what if Wayne was standing on the outside of Marasi's bubble's perimeter? In that case, the half inside the slow bubble would be getting 100 times more energy than usual. So what does it do? Balloon out to 100 times its normal volume, it would seem. All of this is well and good, but things can get... weird. Weird Scenarios: (WTLR?! FTL? Here!? HOW!!!!!???) EDIT: Tell a lie! I got a bit ahead of myself. Overlapping regions that don't touch the bubbler should just cancel out, ala canon. Duh. Although... maybe they "cancel out" because of bubble-extension, to a certain extent, or bubble-extension is still a factor. I'll leave the text here, because I wrote it and it may still be applicable, but it's by no means as sure as I erroneously thought a few minutes ago. EDIT 2: I suppose the cancellation is just a 1v1 battle for space-time-warping supremacy. In that case, the time distortion is an effect on an area, rather than the objects within that area... But that doesn't mesh with the Cognitive nature of time-bubble occupancy, really, since bubbles seem to work on the level of objects. This does require some thought. --- Scenario: Wayne outside Marasi's bubble, at the perimeter. Marasi has walked to near the perimeter of that self-same bubble, but is on the inside and out of range of Wayne's normal speed bubble. Wayne casts his bubble. The half in the bubble expands drastically. Marasi is encompassed, now experiencing 1s/s--or she would be, if this didn't increase the size of her slow bubble. So Wayne is now encompassed by Marasi's slow bubble. His energy delivery to his own speed bubble normalizes, shrinking it back down to normal. So now Marasi is outside of its effects. So her bubble shrinks too. So now Wayne is outside her bubble's effects, so the half of his bubble inside Marasi's slow bubble expands. So Marasi is encompassed... Yeah. And this all might happen in a split second each time, if not instantaneously. I suppose a slower-than-instant expansion/collapse of the bubbles would allow for a stable oscillation between states, but still, this isn't a good thing. .... Or this stable oscillation between states just unlocked the real secret to FTL. Meaningfully, in such a scenario, we have a constantly expanding and collapsing Cadmium bubble. Expanding by tens of times in volume, mind you. Might do some funky things to space-time, I'd say. Maybe a way to actually achieve a warp field? We've now reached beyond the scope of my (pseudo-) competency. Physics dudes? ---- We still have nested Slider/Slider and Cadmium/Cadmium to consider... Maybe later. This is getting long enough as is. --- Aw, why not. It should be fast. Bendalloy within Bendalloy: Bubble of bubbled misting(s) expands. Could get oscillation with this as well, I believe. Cadmium within Cadmium: Bubble of bubbed misting(s) shrinks. Also a chance of oscillation. Wow, long. Sorry. Really. Any thoughts, anyone? EDIT 3: Oh yeah, I kind of forgot the reason I'd started all this. In my defense, it is an involved and fascinating topic. So in my FTL thread, I have a ship within a Cadmium bubble within a duralumin/nicrosil-induced massive Bendalloy bubble. So both bubblers are encompassed by the other's bubble. So by the logic I've outlined already, the Cadmium bubble should expand--a lot--when the Pulser is hit by the Bendalloy bubble. The Bendalloy bubble should then proceed to shrivel when it hits any area outside the influence of the Cadmium bubble, since it's getting less energy than it needs. So the full size and effectiveness of the Bendalloy bubble is only realized when it's in contact with the Cadmium bubble. I guess we're lucky the Cadmium bubble is traveling with the ship, then. I think we're still good.
  15. So I asked Brandon at a recent signing about Steelrunning. Aeromancer: So would it be possible to use Steelrunning + compounding to travel FTL? Brandon: No, it would not. You could get close, though. Aeromancer: Kind of like Zemo's Paradox, than? You keep halving the distance, never quite making it? Brandon (gleam in his eye): Trying to crack Allomatic FTL? Aeromancer (guilty): Maybe. Brandon: You can't. Aeromancer: I don't know, there are alot of good theories out there. Brandon: It involves Allomantic abilities which we don't know about yet. So there's the clincher folks. Allomantic FTL is possible (of course) but there's no point of guessing about it. (if you don't know what Zemo's Paradox is, look it up. It proves you can't walk)
  16. We have been told that Scadrial technology will one day include the ability to travel faster than light. I didn’t want to wait for technology, so I theorized a way to do it now. Ingredients: 1 Hemalurgist 2 Chromium spikes 2 Bendalloy Spikes 1 Duralumin Spike 1 Pilot trained in Space-Time Events 1 Spinner Ferring (Chromium) 1 Leecher Misting (Chromium) 1 Subsumer Ferring (Bendalloy) 1 Slider Misting (Bendalloy) 1 Duralumin Misting 1 Metric Ton of Chromium 1 Metric Ton of Bendalloy 1 Bead of Duralumin Directions: Tie the Pilot to a table. Use the Hemalurgist to transfer the powers from each of the mistings and ferrings to the Pilot. This can be messy so use proper precautions. Have the Pilot’s stomach expanded over several years with an inflatable bladder. During this time, have him store Luck and Space-Time Contraction in two metalminds. Compound his Luck and Space-Time Contraction by burning the metalminds and storing the result in another metalmind. (Repeat as needed) Fill his now enormous stomach from your stock of Bendalloy metalminds, and put the Chromium metalmind within arms reach. Add one bead of Duralumin. Have the Pilot focus on your intended destination. Then, while tapping all the Luck he can manage, burn the Bendalloy in one Duralumin enhanced burst. This should generate enough Luck and Space-Time Contraction that you can travel through space-time to the correct Event without appearing in the path of a stray asteroid or accidentally porting into a nearby sun. (Note: due to the nature of Luck, you can sometimes end up in completely unintended Events, but we consider this a feature of the model rather than a draw-back) The theory: Perhaps Bendalloy contracts space-time, but it is just very hard to control so it sort of forms a bubble around you that doesn't have much form. If you could tweak your luck, the random bubble could be given direction and purpose allowing you to control the warp in space-time.
  17. So I've recently been rereading Triplanetary. It's by Doc Smith, the guy you might know of as the inventor of Space Opera, and thus most modern science fiction as we know it. Now, Triplanetary is the prequel to the Lensmen series (which is a ton of silly fun, start with Galactic Patrol if you can find it - most of Smith' stuff is public domain now). It's a fast-paced, breathless novel, and pretty fun. It's also got some weird mistborn similarities. In this scene, the good guys in the Boise have recently reverse-engineered the alien power generation technology. Their ships basically take any ferric matter (iron or steel), and disintegrate it, converting into raw energy. Once their ships start burning iron and steel, they create lines of force directly towards or away from themselves, which they use to push and pull, and get into a shoving match - the outcome of which is decided by the quality of their anchors. Sound familiar? Okay, but that's just a coincidence. It's not like they have some sort of weird FTL that you could easily achieve via feruchem... Yeah, they have some kind of weird FTL that can be easily achieved via feruchemical technology. Well, provided you ignore relativity, which at the time was rather more cutting-edge (heck, Smith started writing in 1915). And hey, if there's spiritual gravity, there's no reason we can't have some sort of spiritual preferred frame of reference to make Einstein sad. (The test drive of triplanetary FTL boils down to 'hey, we're two lightyears away now. Phone home on the ultrawave, ask them if it's been two years. It hasn't? So much for relativity then, let's zoom around space some more'.) Oh, yeah, where was I.... right, actually explaining the 'Bergenholm' drive. It's pretty simple in principle. You reduce the inertia/mass of your ship practically to zero, and then fire your thrusters. Cruising speed is reached when the friction of interstellar dust particles against your ship is equal to your thrust. In practice, this means that the first prototype ship can zip through the whole galaxy in a couple months. So all you *really* need to do is set up an artificial ironmind, and have it store all the mass inside the ship. You perfectly duplicate a classic FTL engine. Isn't that easy? None of this mucking about with time bubbles and spacewhatsits. Just get in and blast off. But wait, you ask, was the secret to using this technological application of iron ALSO given to inhabitants of an isolated nation by a near-omniscient guy, as part of a plan to thwart an all-destroying evil? Yes. Yes it was.
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