The one that [Made in Poland] chose to sacrifice was particularly nasty and greasy, but after popping off the pulley, the treasure within was revealed: the large, ring-shaped clutch electromagnet.

THE electromagnet designed for the use of oculists by Dr. Haab, director of the Zurich eye clinic, and shown in the accompanying photographs, is the most powerful and efficient apparatus of this ...

It’s an electromagnet pendulum analog circuit. Whether you’re building it, or just studying the schematics, this is a fun way to brush up on the non-digital side of the craft. The pendulum is ...

A coil with an iron core is called an electromagnet. The iron core increases the coil’s magnetic field strength. A simple electromagnet is made by coiling wire around an iron nail. An iron core ...

Electromagnets are found in many applications ... Note: Although this procedure is relatively simple, it can have its difficulties. If you're having trouble, try adding a second battery, using ...

This is mechanical energy in action. The mechanical energy is caused by the attractive force of the electromagnet. Now imagine a circle of electromagnets that you could turn on and off one after ...