Use physics to create cool patterns on a vibrating plate. How is this like a guitar string or a singing wine glass?
Slinky standing wave animation courtesy of:
The Animations for Physics and Astronomy Project at Penn State Schuylkill
Standing wave interference simulation courtesy of:
Walter Fendt
3D standing wave footage courtesy of:
Yoichi Ochiai, Takayuki Hoshi, and Jun Rekimoto
?