A bulb literally goes on when students work out at Drexel, according to NPR.
If only all the speed and strength of youth could be channeled into power. Turns out, it can. Some colleges and universities have started converting energy from exercise equipment into electricity.
One of those schools is Drexel University in Philadelphia, where student power runs straight into their buildings' power grids. Dan Simmons, director of recreation at Drexel, says a typical 30-minute workout on a treadmill can generate enough energy to hold a light bulb for 2.5 hours.Source
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