This tutorial is part of the National Instruments Measurement Fundamentals series. Each tutorial in this series teaches a specific topic of common measurement applications by explaining the theory and giving practical...

A unit that explains what ultrasound is, how it is produced, and why it is useful in medical imaging. A section on mathematics includes: defining, illustrating and using the following wave characteristics — frequency,...

This website contains a Flash applet which simulates the motion of a vibrating string as well as ideas for activities involving this simulation. The end of the string can be moved using the mouse or driven by an...