This mobile phone concept by London designer Patrick Hyland can be charged by the heat in your pocket. (pics)
Test of the new motor from ETH Zurich’s Department of Power Electronics exceeds 1,000,000 rpm in the digital readout.
Industrial motors can spin at a head-spinning 250,000 revolutions per minute. But a new matchbook-sized motor runs circles around the competition.
Cylindrical solar cells, which can be arranged in rows to make solar panels,
are particularly suited for generating power atop commercial buildings.
A startup is selling cylindrical solar cells that can generate more power than conventional panels.