Just what happens behind your walls when you flip a light switch? Or when you turn on the television or your computer? Electricity, wiring and circuitry power everything we do, and knowing how these ...

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 ...

Researchers at the University of Washington (UW) have taken the term ‘green power’ literally by running an electric circuit from the power generated by trees. Sure, there isn’t much electrical power ...

Here's what to look for, and how to fix what you find. Working on your own home is empowering, and it saves you money. Even before I became an electrician, I tackled DIY projects from plumbing to ...

The Squishy Circuits team developed this activity so that young children (including my own daughters) would have a playful way to explore circuits. Squishy Circuits use two different types of dough as ...

Kids love building electric circuits, but connecting light bulbs to batteries with fiddly wires is tricky for young hands. Play dough and light-emitting diodes (LEDs) solve the problem beautifully.

Electrical engineering is the study and application of electricity, electronics, and electromagnetism. In simple terms, it is about understanding how electricity works in order to use the knowledge ...

The motion of charged particles causes electrical effects, small shocks, lightning and sparks. Electrical fields cause forces to act on charged particles. How to affect electric current - OCR 21st ...

Current transfers energy around circuits. Circuit components have various properties that can be measured and then used to make circuits for control and also circuits for testing other components.