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RE: DARPA's Visions Of 2045: Faster-Then-Light Travel, Virtual Immortality, Anti-Gravity...

in #technology7 years ago

I've always thought, what if a train goes with half of speed of light, inside it, a vehicle goes with half speed of light too...so the relative speed of the second vehicle will be the speed of light comparing to the ground, and isn't that when time stops?

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