The Best Home Generators Are a Big Investment. These Models Deliver Reliable Power During an Outage.

Our editor-tested and researched portable and whole-home options keep appliances and other essentials running during an ...
Ars Technica

Homopolar Generator: How to make a strong magnetic field over 1sq ft cross-section?

Ello!<BR><BR>So, a homopolar generator is really simple, at least in concept. Get a conductive disk spinning inside a magnetic field and the axel & edge acrue a voltage differential.<BR><BR>My ...