Imagine yourself sitting in a large lecture hall--which can range between 300 to 500 students--and while you are trying your best to digest what your instructor is saying, your mind is on everything ...

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 ...

For three decades, UC Berkeley professor Alex Filippenko has taught his popular Introduction to General Astronomy class to up to 730 students in Wheeler Hall. While lecturing, he spins donuts on a ...