As I understand it, the amount of power in a magnet is only a small fraction of the power it took to manufacture the magnet in the first instance.hi , and how can someone make a very powerful electric magnet , and also with small size ?
You can get rare earth magnets from Radio Shack or Edmund Scientific, and a lot of other science supply houses.hi , and how can someone make a very powerful electric magnet , and also with small size ?
by Duane Benson
by Jake Hertz
by Aaron Carman
by Jake Hertz