Physics professor creates rainbows, has Net-happy acolytes in India and China
(Newser) -
The latest Net sensation doesn’t defend Britney Spears or mimic the history of dance; instead he explains electrostatics, pendulums, and the conservation of energy. Walter Lewin, a 71-year-old MIT physics professor, is one of the first academic superstars of the Internet, bringing educational showmanship—say, demonstrating rockets by riding...