Why is electromagnetic repulsion so infrequently used in applications? As in, using an electromagnet to repel a permanent magnet, rather than to attract a magnet or ferrous material? I was doing some ...

The new milk frother you are using to prepare your cappuccino is likely using magnetic gears. Magnetic gears transmit rotary motion like mechanical gears but instead of teeth they use magnetic ...

I HAVE no intention of discussing the beautiful experiments of Prof. A. M. Meyer on floating magnets; but as a privately expressed opinion of mine has appeared in NATURE, vol. xviii. p. 260, I feel ...