On a December day, Richard Feynman gave a fun little lecture at Caltech — and dreamed up an entirely new field of physics. During the talk, entitled "Plenty of room at the bottom," he described the ...

A casual lunch between friends in the late 1970s left behind one of physics' quirkiest unsolved puzzles. Nobel laureate Richard Feynman, while dining with his friend Ralph Leighton at a Thai ...

The paths to greatness. Lights, camera, action ; The quantum universe ; A new way of thinking ; Alice in Quantumland ; Endings and beginnings ; Loss of innocence ; Paths to greatness ; From here to ...

For more than a century, physicists debated which way a submerged sprinkler sucking in water would spin. Careful experiments ...