I love all things about time travel. I'd love to know it's possible to go back or forward in time, but science rarely points to either possibility.
Science meets pop culture on StarTalk! with host astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life.
The video embedded here hits on the type of time travel used in A Christmas Carol and whether Ebenezer Scrooge gets pulled through a wormhole.
How about considering how people thought about time travel before Einstein, and how the special theory of relativity changed how we think about time?
Discover time dilation and how speed and gravity affect an object’s passage of time. And what about those pesky paradoxes of traveling and meddling with the past?
So many questions!
Is there one immutable timeline or many timelines in a multiverse? Do we have free will? What is time to a photon traveling at the speed of light? How would we police time travel if it were possible? Will we even have time travel in the future? If time travel gets invented, why are we not overrun by tourists from the future?
Which films depict time travel best?
How are cells affected by time travel?
Could we theoretically travel to before the Big Bang, because is there even a place to travel to before the Big Bang?
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