electromagnetic harvester Dennis Siegel inventedWe’re surrounded by electromagnetic fields almost everywhere these days. Just because they’re almost imperceptible doesn’t mean they can’t be used as a source of energy though. One student in Germany recently built the Electromagnetic Harvester, a small box that allegedly charges an AA battery using just the electromagnetic fields given off by the likes of power lines, vehicles and electronic gadgets.

The electromagnetic harvester, as Siegel calls is, taps into electricity currents to slowly charge any run-of-the-mill battery. By just placing the harvester near a current, the device will charge a AA battery, for instance, in about a day.

(READ the full story in Gizmag.com)

Leave a Reply