Check out where the science of waves meets innovation and design...
Can you imagine the cheers of 40, 000 football fans can power the stadium's air conditioning? John Corey believes he can make this happen....
http://science.discovery.com/video-topics/gadgets-and-tech/ecopolis-cooling-sound-waves.htm
http://science.discovery.com/video-topics/gadgets-and-tech/ecopolis-cooling-sound-waves.htm
Listen to an expert speak on the art of human echolocation
Demonstration begins at 10:10
Great Potential for a STEM Project
This link will lead you to a site on the history of the wireless telegraph and how to make one out of simple, cheap, and easily found materials.
http://diyhomeschooler.com/marconis-wireless-telegraphy-a-mini-unit/
http://diyhomeschooler.com/marconis-wireless-telegraphy-a-mini-unit/