![Australian "bull-roarer"](https://physics.appstate.edu/sites/default/files/3d40_60.jpg)
PIRA:
3D40.65
Area:
3 Oscillations and Waves
Topic:
3D Instruments
Concept:
Resonance in Bars and Plates
The Australian "bull-roarer" produces a loud noise due to eddies in the air.
Demo Contact
Scott Thomas
Demonstration Manager
828-262-2435
thomassa@appstate.edu