Un jour, le physicien russe Piotr Kapitsa demanda à Paul Dirac son avis sur le livre Crime et Châtiments. Réponse laconique de ce dernier: « Très bien, mais l’auteur s’est trompé, car il a décrit deux ...

Add Yahoo as a preferred source to see more of our stories on Google. On a navy blue background is the book cover of 'The One Thing You Need to Know: 21 Key Scientific Concepts of the 21st Century' by ...

A seminal paper by Paul Dirac, who relied on mathematical intuition, laid the foundation for quantum electrodynamics. Paul Dirac once said that his theories are “built up from physical concepts which ...

It has been said of Paul Dirac (1902-1984) that he was able to conjure laws of nature from pure thought. His method was not experimental, but instead theoretical. He conceived the existence of the ...

Quantum mechanics has a reputation that precedes it. Virtually everyone who has bumped up against the quantum realm, whether in a physics class, in the lab, or in popular science writing, is left ...

The Dirac and Klein-Gordon equations provide a full relativistic description for particles with spin ½ and 0, respectively. A calculation now shows how to extend this description to particles, such as ...