MIT Physics Professor Effortlessly Draws Dotted Lines on a Chalkboard During His Lectures

Massachusetts Institute of Technology physics professor Walter Lewin effortlessly draws dotted lines on a chalkboard during his lectures. Lewin’s chalk makes an interesting sound as it skips along the lines.

Glen Tickle
Glen Tickle

Amelia's dad. Steph's husband. Writer, comedian, gentleman. Good at juggling, bad at chess.