They will make you love Physics
Curated by: Lectures by Walter Lewin. They will make you ♥ Physics. (32 videos)
This was a talk for a very small group of high school students and science teachers. Prof. Lewin talked about the bizarre behavior of light and he did many demonstrations to show how bizarre light can be. He showed interference of light (also of sound). Everyone was given a diffraction grating (to keep) with which they could see spectral lines in helium and neon. He also demonstrated polarization of light.