While teaching large physics lectures at MIT, Walter H. G. Lewin radiates enthusiasm. "And now, I’m going to blow your mind," said Lewin before giving a lesson about electrical circuits that seem to ...

For the past four minutes, Walter Lewin has been laboring at the chalkboard, bent on conveying a point—or rather, a series of small, swift points, so close together they resemble a perforation. The 76 ...

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 ...