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Tom Hartsfield

Big Think Contributor
Tom Hartsfield is a PhD physicist. He lives in Los Alamos, New Mexico.

Be skeptical of any theory that produces the possibility of time travel, particularly if it relies on wormholes. That’s not a theory based on physical reality, but rather fodder for science fiction writers and television shows.
In our material, measurable world, infinity is never a real, physical quantity; it is only an abstraction.
Do you believe in free will? Some physicists and neuroscientists believe in the opposite proposition: determinism. The mathematics of quantum mechanics have a say in this argument: Determinism is impossible […]