PhysicsA controversial experiment threatened to kill the multiverse in 2025 A photon was apparently detected in two places at once in a twist on the classic double-slit experiment, but many physicists didn't accept the results 51¶¯Âþ
PhysicsQuantum experiment settles a century-old row between Einstein and Bohr Albert Einstein and Niels Bohr had an ongoing rivalry about the true nature of quantum mechanics, and came up with a thought experiment that could settle the matter. Now, that experiment has finally been performed for real 51¶¯Âþ