sound

Dot Physics

Category archives for sound

This comes from Buzz Out Loud Episode 865 which got the story from Slashdot regarding a possible new technology that would use piezoelectric devices to charge cell phones while you talk. The original article the slashdot story pointed to talked mostly about the advances in piezoelectric devices, but I want to look at the possibility…

Speed of sound in football stadium

Ok – I like Alabama football (sorry, but it’s true). There is a clip on youtube of the end of the Alabama-Auburn game where the fans sing the traditional “Rammer Jammer”. If you don’t know what that is, don’t worry. I am not sure I completely approve of the cheer, but it is a tradition.…