The latest web celeb is a physics professor. Professor Walter Lewin, who teaches an introductory physics course at MIT, has become an internet celebrity thank to his outrageous antics, daredevil ...

Robyn Williams: Does putting fun into teaching physics work? Wally Lewin at MIT is convinced it does, hanging from pendulums and making big bangs. He now has 100 of his lectures on the internet...and ...