Discover how to craft a simple electric motor using everyday household items in this detailed, step-by-step tutorial. Follow along as we transform basic materials—like copper wire, an old CD, magnets, ...

These light up paper circuit cards were much easier to make than I expected and only need a few inexpensive materials.

Here is a VLF receiver tuned to 300 kHz designed to detect the crackle of approaching lightning. A bright lamp flashes in sychrony with the lightning bolts indicating the proximity and intensity of ...

We all carry supercomputers in our pockets and use dozens of electric gizmos every day but rarely stop to marvel at the magical act of flicking a switch. Use your ordinary conducting and extraordinary ...

There have been many different ideas presented for increasing the acoustic output of a piezo buzzer or ultrasonic transducer. Most of them involve rather complicated circuitry that drives up the total ...

For electricity to flow, everything needs to be connected in a big ring. It’s called a circuit. For example, the lights in most houses and flats are part of a circuit controlled by the consumer unit, ...

Larry and Ann Scheckel presented a session entitled “Electricity Made Simple” at the National Science Teachers Association Conference Nov. 9-11, at Milwaukee’s Wisconsin Center. The theme of the ...