Invented in 1824 by the British physicist William Sturgeon, electromagnets are a fixture of modern life, appearing in loudspeakers, motors, magnetic resonance imaging (MRI) machines, maglev trains, ...

In everyday life, we use magnets in a variety of ways, from holding notes on a refrigerator to securely locking a safe or a cabinet door. Electromagnets are especially useful because the magnetic ...

"Do not levitate the spoon; that's impossible. Instead, only try to realize the truth. There is no spoon." - para. The Matrix (1999) But what if there is a spoon? Or some other object. You can't just ...