On May 7, 1981, influential physicist Richard Feynman gave a keynote speech at Caltech. Feynman opened his talk by politely rejecting the very notion of a keynote speech, instead saying that he had ...

Quantum computers are already here, even though it’s not readily apparent. Now, researchers say quantum advantage—the field’s long-promised milestone of outperforming classical computers—appears to ...

Back in the 1920s, quantum mechanics, which is the theory that underpins everything from how atoms behave to how quantum computers work, was well on the way to gaining mainstream acceptance. But one ...