Part 2 is here.
Complete with a video tutorial.
When I was 15, I went to Japan for one year as an exchange student. I was the lone American in a school of 5,000 Japanese, and I quickly acquired one habit that has since driven every girlfriend and teacher of mine absolutely nuts: pen tricks.
The Museum of Hoaxes has a great post of bizarre experiments including Milgram, the effects of LSD on elephants and the vomit drinking doctor.