Why does one string on on an instrument sound different than another? How do we hear a melody over the acoustic din of day-to-day living? Watch this informative video to find out.
Vi Hart, a prolific science video maker, shares an entertaining video about the science of sound, frequency, and pitch; complete with stop-motion animation and an in-depth look at how sound is generated and perceived by the human ear.
What Is Up with Noises? [via Laughing Squid]