As a hacker, chances are that you have built a homopolar motor, as you only need three things: a battery, a magnet and some copper wire. There are zillions of videos ...

THE homopolar generator 1,2 at the Australian National University in Canberra can be connected to deliver 1.5 × 10 6 A at more than 800 V for 0.1 s. When light sources capable of handling such power ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. KANSAS CITY, Mo. — National Engineers’ Week ...

EARLY in 1963 a programme was begun with the view of establishing whether or not solid brushes could be used instead of liquid metal jets to collect the required current (1.6 million amp) from the ...

If you have a high regard for the Caped Crusader, then carve out a few minutes in your day, gather some copper wire, an AA battery, and a neodymium battery. The result of your efforts will be a pretty ...

Although new electric motor types are still being invented, the basic principle of an electric motor has changed little in the past century-and-a-half: a stator and a rotor built of magnetic materials ...