NARRATOR: That ice cream dispenser is out of control Frank! Let’s look at how it’s set up. We can see it’s a series circuit because everything is connected to one path. The power is coming from the ...

Churning with voltage and resembling an explosion at the wire factory, the breaker panel exudes mystique. But it's just a big switch, filled with other smaller ­switches, which lead to the switches ...

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.

That image above isn’t an artisan fabric, created for some hipster clothing line; it isn’t a poster for a new band created by some graphic-designer from Switzerland with rare, pointy glasses. It’s ...

For the first time researchers have run an electrical circuit entirely off power in trees. The findings suggest a new power source for wireless sensors -- and a way to monitor tree health. You've ...