The gray sphere is about the size of a bowling ball. It's full of sensors and will allow more electricity to run through the ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. When we think of things that conduct electricity, we usually picture copper wires or ...

It’s a complicated process, but there are charges inside wires, and these charges can be acted on by an electric field. They can move through the wire in something that’s called an electric ...