This video explains what a diode is and how it controls the direction of current in electronic circuits. Diodes allow current ...

This video explains the role of resistors in electronic circuits and how Ohm’s Law defines the relationship between voltage, ...

Try an experiment. Next time you are in a room with someone, ask them to name everything in the room. Only certain kinds of people will say “air” or “light.” For most ...

Historically, researchers impaled giant squid, snail, and frog axons with electrodes to study nerve function by measuring ion channels. Today, electrophysiologists have enhanced their ability to ...

As the story goes, the rock band AC/DC took its name from a label on an old sewing machine in the Young brothers’ home. It must have meant that the machine could run on either alternating-current or ...

Be careful with single-phase motors, as most single-phase motors have components to help them start or continue to run ...

If you're looking to squeeze that last little bit of life out of a laptop or just reduce the strain on your desktop, ...