sapphari said:
http://www.cnn.com/2008/TECH/science/08/01/Human.power/index.html
Using a series of coils and magnets under the dance floor, the motion from people dancing creates an electrical current that is sent to batteries that run the lights/sound of the club... the more you dance, the more electricity you produce!
how sick is THAT!!!
Club Watt opens in the Netherlands later this year...
Sounds like a great idea for a gym to incorporate in its aerobics space. The group instructor could yell and scream at everyone to get the place pumping haha.