Last Look

Physics and Astronomy’s Demo Lab Coordinator Bill Berner demonstrates the effects of a Van de Graaff electrostatic generator to 250 Philadelphia-area high school students during the 20th Annual Physics Demonstration Show at Penn.

Thursday, June 1, 2017

Brooke Sietinsons

Each year, Berner—a former high school physics teacher—cycles through demonstrations of topics including mechanics, light, and waves. This year’s event focused on electricity and magnetism and welcomed almost 1,000 students.