A replica of Henry Wilde's 1863 dynamo generator with magneto exciter. A two-part generator with an upper section (magneto) having a row of twenty horseshoe magnets with an armature mounted along the ...

While we've been hearing a lot about wearable piezoelectric devices that produce electricity from people's movements, such gadgets don't work well under certain conditions. A new bioelectric wearable, ...

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 ...