Why do some metals rust and how does rust form?
Iron's Love Story
Why do some metals rust and how does rust form?
Leave a bike out in the rain long enough and something orange and crumbly creeps across it. We call it rust. But here's the strange part: rust isn't the metal getting dirty. It's the metal slowly turning into something else entirely.
The metal in question is almost always iron — or steel, which is mostly iron with a little extra mixed in. Gold and copper don't make this orange flake. Iron is the one with a weakness, and that weakness is a craving.
