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Is Time Travel Possible?

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Some scientists take time travel seriously. Should you? What does time travel reveal about the nature of space and time and the laws of physics under extreme conditions?

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Michio Kaku

Michio Kaku works on string theory, theory of everything, AI, future science, human...

J. Richard Gott III

J. Richard Gott works on cosmology, general relativity, galactic clustering patterns,...

Kip Thorne

Kip Thorne works in gravitational physics, astrophysics; co-lead, LIGO gravity-wave...

Fred Alan Wolf

Fred Alan Wolf pecializes in quantum physics and implications, including consciousness

Seth Lloyd

Seth Lloyd works on complex systems; quantum computation, communication, error; quantum...

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