re: Deep thoughts on Time travel

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So by simply flying around space really fast, you'd be flying into the future.

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Lots of people don't realize this has been experimentally verified - it isn't "merely theory". It's been done IRL.

Of course, sending a person into space at light speed isn't at all practical, so we do something that is - use a particle accelerator to speed up radioactive nuclei to around 99% of light speed.

Because the particles are radioactive, they have a known half-life. And it turns out that the half-life of the accelerated nuclei is slower by exactly the amount predicted.