Sound waves

• Physical characteristics of sound waves
• A voice-powered lightbulb?
• The inverse square law

If we have time, we may discuss these topics, too.

• The decibel system for measuring sound intensity
• Paul Fasted's Fourier synthesis applet allows you to add together harmonics of a fundamental wave and both see and hear the wave form.

Copyright © Michael Richmond. This work is licensed under a Creative Commons License.