Plate Glass Breaker

Click above to see movie
PIRA Classification: 3D40.56

Description: A 3" x 24" sheet of glass is placed over the holes of a box containing two 8" speakers. When the speakers are set to the resonance frequency of the glass, the ends will vibrate with an amplitude of about 1/2". If the amplitude is turned up a bit more, the glass will shatter.

Special Instructions: Make sure the generator is set to around 176.0 Hz. Use laser to fine tune the frequency.

Ideally For: Phys 1102, 1202, 1402

Condition: Ok

Setup time: 3 minutes

Safety Issues: Glass will shatter. Wear safety glasses.