In trying to understand the atom, physicists built quantum mechanics, the most successful theory in science and the basis of one-third of our economy. They foun

Quantum mechanics is one of mankind's most remarkable intellectual achievements. Stunningly successful and elegant, it challenges our deepest intuitions about t

Following upon the overthrow of the classical world picture by the findings of quantum mechanics, physicists have proposed a broad gamut of alternative world vi

The intellectual adventure story of the "double-slit" experiment, showing how a sunbeam split into two paths first challenged our understanding of light and the