The letter says der Alte, the Old One, not God — and it went to the very friend who'd win the Nobel for the idea it attacked. The full Einstein biography behind the five polished words, from the ...

In the 1920s, when quantum mechanics was young, physicists Jane Dewey and Laura Chalk performed some of the first experimental tests of the theory, based on a phenomenon called the Stark effect. Later ...

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 ...

Have you ever doubted your knowledge or expertise? Noticed, if you’re a woman, that you receive less recognition than your male colleagues do, that your ideas were unheard in a discussion until they ...

Jim Baggott’s The Quantum Story: A history in 40 moments goes from Max Planck to Richard Feynman in discrete quanta THE history of quantum physics is nothing if not momentous. No one present on 14 ...

Quantum computing has made considerable progress since theoretical ideas were first formally explored in the 1970s. It promises a dramatic leap in our ability to understand the world, improve business ...

We’re celebrating 180 years of Scientific American. Explore our legacy of discovery and look ahead to the future. This year is the International Year of Quantum Science and Technology, according to ...

This idea may help address the black hole information paradox, especially the problem that black holes seem to violate a key ...

An electron is supposed to be indivisible. It carries one fundamental unit of electric charge, and every electron is exactly ...