Neil deGrasse Tyson on the Physics of Time Travel #relativity #physics #neildegrassetyson
Channel: ASTROMATHICS
Date: 2024-03-17

Forward Time Travel: We actually do this constantly!  Einstein's theory of relativity shows that time runs slower for objects moving very fast, so astronauts on the International Space Station age ever so slightly slower than us on Earth.

Backward Time Travel: This gets trickier.  Certain solutions in general relativity suggest possibilities like wormholes or warped spacetime around black holes, but these might be unstable or impractical. Additionally, theories like quantum mechanics raise questions about paradoxes that could arise if we changed the past.

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