Dr. Universe

Dear Dr. Universe: Will electricity run out? -Zoe, WA

Dear Zoe,

Scientists could see and feel electricity in nature long before they discovered how to make it. Maybe you’ve seen it during a powerful electrical storm or felt a little shock from static electricity.

It happens because of tiny parts of atoms. They’re called electrons and they are everywhere.

Humans and cats carry electrons, too. Electrons have a negative charge. Negatively charged things are drawn to positively charged things, which is why you’ll see the negative end of a magnet move towards the positive end of another magnet.

Som...