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 ...

This is the first article in a two-part series discussing innovative teaching techniques in college physics classes. Today's installment will focus on interactive programs instated at other ...

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 ...