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Tom Hartsfield

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

If Your Theory Requires Wormholes, Try Again

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.

Infinity is Not Real

In our material, measurable world, infinity is never a real, physical quantity; it is only an abstraction.

Quantum Mechanics Supports Free Will

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 […]