Outside it is a warm May evening, as two friends sit deep in discussion in a coffee house in Berne. “Besso, you must help me, I think I am going mad. How is it even thinkable that a light ray co...
Paul Dirac published the first of his papers on "The Quantum Theory of the Electron" 70 years ago this month. The Dirac equation, derived in those papers, is one of the most important equations in phy...
Reviewed by John Maddox If war is too important to be left to the generals, then surely the research community should be on its guard against leaving the history of discovery to the historians of scie...