A compilation of Professor Walter Lewins and some of his lectures at Massachusetts Institute of Technology (MIT). He draws some of the best lines, especially dashed lines - so fast that his hand isn't even moving up and down to produce the dashes. See more videos of classroom lectures and pranks @ http://www.itmustbecollege.com/videos/class/ Or upload your own classroom lectures / pranks @ http://www.itmustbecollege.com/upload-video