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 ...

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 ...

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, ...

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 ...

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, ...

The rules of the National Electrical Code are written for people who have a pre-existing knowledge of electricity. In order to make sense of the Code, you must first understand basic electrical ...

Wire color codes play a vital role in ensuring safe and correct electrical connections. They help distinguish between hot, neutral, and ground wires, which are identified by colors like black, red, ...

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 ...