In this DIY tutorial, learn how to make your very own USB electric lighter at home with simple materials and step-by-step ...
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 ...
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 ...
Use this fun, interactive activity to talk about how conductive materials allow electricity to flow freely, while insulating materials make it slow down or stop. This experiment was developed by ...
Dear Pat: I live in an older house with a few electrical problems. I want to fix some of these problems myself. What type of special tools should I get for these types of simple electrical projects? — ...