ASA 127th Meeting M.I.T. 1994 June 6-10

4aED4. Of flaming tubes and spinning cups.

E. Carr Everbach

Dept. of Eng., Swarthmore College, Swarthmore, PA 19081-1397

An enhanced version of the flame tube will be demonstrated to help students visualize compressional standing waves in a pipe. A more surprising demonstration of the ability of acoustic waves to cause cups to spin, and why it works, will also be presented.