Electrets produce a semi-permanent static electric field, similar to how a magnet produces a magnetic field. The ones in microphones are very small, but in the video after the break [Jay Bowles ...
You've probably seen lightning flash across the sky, but do you know why and how it happens? This simple science activity ...
Several experiments ... electricity was collected by an insulated metal plate, it served, after a few repetitions, to charge a small Leyden jar, by which gunpowder wus fired. The evolution of ...
only use a quarter of the fuel's potential energy while the rest is lost as heat through exhaust. Now, a study demonstrates how to convert exhaust heat into electricity. The researchers present a ...
The AUC also provides regulatory insight of the development of projects related to Alberta’s wholesale electricity market and the retail gas and electricity markets in the province. For more ...