Get ready to spend some time pondering time, because in this episode of StarTalk, host Neil deGrasse Tyson is joined by co-host J. Richard Gott, author of Time Travel in Einstein’s Universe and an expert in exotic astrophysics.
According to Einstein’s Theories of Relativity, time travel is possible.
Today we travel to a future where we can travel through time. Is it possible? Would you kill Hitler? Would it matter?
Answers to all of your time questions with Andrew Novick of NIST, the National Institute of Standards and Technology.