Comments by "Taxtro" (@MrCmon113) on "We Traveled Back in Time. Now Physicists Are Angry." video.

 @IrishWhiskeyisLife You age slower if you accelerate in the car rather than someone not accelerated. That's basically the "twin paradox" setting.
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That's not implied at all. The past isn't any less real than the present or future. Physics doesn't point at presentism at all. To the contrary, relativity strongly implies eternalism.
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It's contentious whether it "requires" general relativity, but people are definitely wrong when they say it doesn't require acceleration. Acceleration is the only thing breaking the symmetry.
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@Samu2010lolcats Well, he's flat out wrong and so are many other videos on Youtube. The Wikipedia article was also wrong, because an editor was confused by a video. They all make the same mistake of choosing two distinct references frames for the outbound twin, begging the question.
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@romyaakovyan8067 No, that's completely wrong. It has nothing to do with the position of the earth or other objects. It's about one twin accelerating with the force of the rocket thrusters. Acceleration in this sense isn't merely the second derivative of location, but an absolute quantity you can measure locally.
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 @raynac224 There's no absolute speed in special relativity. It doesn't matter how the planet and sun are moving.
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 @aaronsmith7946 Yeah, you don't get more time per se, but you get to have stuff happening faster, like reaching distant galaxies much sooner than under Newtonian physics.
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 @imnotmike Speed is relative. You age less in comparison to others when you accelerate in the car, because (proper) acceleration is absolute.
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