Geeks have strange hobbies. Staff physicist Paul Doherty plays the corrugated plastic tube, also known as a “whirly,” and explains the surprising science behind the sound.
The science of whirlies: www.exo.net/~pauld/summer_institute/summer_day13music/Whirly.html and http://isaac.exploratorium.edu/~pauld/activities/AAAS/aaas2001.html
