Discover how to build a simple electric train using just a copper coil, an AA battery, and disc magnets in this step-by-step ...

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 ...

A simple circuit is a chain of different parts with wires and switches which allows electricity to flow around. All electrical appliances use circuits. For electricity to flow correctly, the circuit ...

Create circuits from scratch and move around a wide selection of components any way you want with the Simple Electrical Circuits in Series, Parallel and Combination app by Exploriments. You'll have ...

Looking for something fun to do with the kids over the holiday break? Rick Crosslin, scientist in residence at MSD Wayne Township joined us today with a few holiday-related experiments! He says old ...

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