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For electricity to flow, everything needs to be connected in a big ring. It’s called a circuit. For example, the lights in most houses and flats are part of a circuit controlled by the consumer unit, ...

Hi! I'm Mwaksy. Hey, I'm Greg.Greg, a question for you. Yes?How do you get from this… Mm? …to this?Skills! How'd you do that? I'm very glad you asked,because that ...

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 ...