physics

The Clauser quantum mechanics experiment is a landmark test designed to probe whether the world behaves according to local realism or instead requires a nonlocal, quantum descri...

Invisible string theory examples describe situations in which strings at energy scales near the Planck scale determine measurable physics at lower energies, even though the stri...

A black hole is a region of spacetime where gravity is so strong that nothing, not even light, can escape from inside its event horizon. At the center of a nonrotating black hol...