This site was developed by the Phsics Department at Michigan Tech University. The focus of this site is on the physics of music and various instruments' physical properties. Visitors to the site can view amplitude,...

A Java applet for signal sampling at various sampling frequencies, and signal reconstruction from samples using various low-pass filter cutoff frequencies. Select from provided signals, or draw a signal with the mouse....

The University of Rhode Island's Office of Marine Programs website offers interested parties a primer on the science of sound in the sea. The main topics covered here are "Sound", "Sound Movement", "Sound Measurement",...

This web page explains the physics of sonic shock waves. Text and animations describe and illustrate the wavefronts of sound from a moving point source for the cases of motion equal to, less than, and greater than the...

This site, authored by Daniel A. Russell of Kettering University, offers an animation that shows the formation of shockwaves from waves generated by a moving source. Photos show shockwaves of a bullet, an airplane, and a...