Mystery #1Tier 2physics / light
Why can you see yourself in a mirror?
A mirror and a white wall are both solid surfaces bouncing light back at you. Yet the wall just looks pale and plain, while the mirror shows your whole face staring back. They both reflect light, so why does only one of them show a picture of you?

Your guess
What's your hunch about what a mirror's surface does that a wall's surface doesn't?
There's no single magic word to type, have a go in your own words, then reveal the answer to see how close you got.
Make a guess to unlock the hints and the answer.