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Jun 24, 2022 at 14:15 comment added Justin Thyme the Second @Nosajimiki Not to mention that there are many discrepancies in the current model that prevents it from explaining everything that we know happens in reality. If the current model can not explain everything adequately, it leaves room for many, many loopholes. That is, currently we know things happen that should not happen in the current model so proposing something can happen in contradiction of the current model by 'breaking the rules' is not a good argument. The rules of relativity are already broken, and we know it.
Jun 24, 2022 at 13:51 comment added Nosajimiki @T.E.D. To add to Justin's comment, it is very important to understand that spacetime is just a mathematical model that explains reality as we see it. It explains the relationship that happens when energy is transferred between two objects made of normal matter using normal energy, but we honestly have very little idea about what is possible with the other 95% of stuff that makes up the universe.
Jun 24, 2022 at 1:31 comment added Justin Thyme the Second @T.E.D."actually traveling through physical space faster than the speed of light is definitionally impossible" Make sure that reality knows the rules, and that reality knows you will throw a hissy fit if reality breaks your rules.
Jun 23, 2022 at 14:07 comment added T.E.D. @vsz - Exactly.
Jun 23, 2022 at 4:15 comment added vsz @T.E.D. : but most "FTL drives" in fiction aren't actually traveling through physical space faster than the speed of light. They either switch between dimensions where the speed of light is different, or they distort spacetime, or something. Yes, they are cheating in some way, but they aren't just accelerating in a Newtonian way until they surpass c in physical space.
Jun 23, 2022 at 2:44 comment added T.E.D. @njzk2 - Pretty much any "FTL" drive is going to cheat in some way like that, since actually traveling through physical space faster than the speed of light is definitionally impossible.
Jun 22, 2022 at 15:50 comment added Nosajimiki @njzk2 There are many variations of the Alcubierre Drive. If the inside of the bubble were left slightly slanted instead of perfectly flat, you would fall forward without needing to move yourself. Either way, perpetual acceleration is what happens when you move inside a warp bubble. It does not just multiply your speed, but as you move relative to everything else, your warp bubble moves with you causing a compounding effect very much like falling into a blackhole that you can never actually reach.
Jun 21, 2022 at 20:12 comment added njzk2 Alcubierre drive doesn't accelerate your to light speed. It just contracts space in front of you, and expand it behind you, but in the bubble you don't even need to move at all.
Jun 21, 2022 at 19:55 comment added Nosajimiki @JeremyFriesner Whether or not an Alcubierre Drive could in fact accelerate past 1.0 C is a matter of debate. Not trying to say an Alcubierre Drive CAN pass 1C, just that of currently known theories, it holds the most weight as maybe being able to using real world math, physics, and scientific results.
Jun 21, 2022 at 19:15 comment added Jeremy Friesner I thought that perpetual acceleration would only get you asymptotically close to light speed, but never quite to (or past) it?
Jun 21, 2022 at 14:25 history edited Nosajimiki CC BY-SA 4.0
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Jun 20, 2022 at 21:33 history answered Nosajimiki CC BY-SA 4.0