1) Beginning at one end, wrap the wire neatly around the nail. You may tape this in place if you like but it is not necessary for it to work. See illustration below. 2) Expose the ends of the wire by ...

The lifting electromagnet article I posted years ago (https://www.codrey.com/electronic-circuits/lifting-electromagnet-diy/) has been more popular that it should have ...

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 ...

Key learning points Properties of magnets What are magnetic fields? Magnetic fields lines are invisible but they fill the space around a magnet where the magnetic forces work on magnetic materials, ...