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David G. Willey

David Willey is a physics instructor at the University of Pittsburgh at Johnstown, a member of the board of the Pennsylvania Science Teachers Association, and one of the current world record holders for the longest firewalk. His traveling physics show has been seen by about 50,000 students and he is the “resident mad scientist” on The Tonight Show with Jay Leno. His Web site home page may be found at

The Physics Behind Four Amazing Demonstrations

Skeptical Inquirer Volume 23.6, November / December 1999

The Physics Behind Four Amazing Demonstrations

I have long been a firm believer that to teach anything effectively, you have to first get the audience's attention.

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