Mystery #1Tier 1-2physics / light
How do your eyes actually see?
Right now, light is bouncing off this page, racing into your eyes, and somehow turning into the words you are reading. Your eye is smaller than a ping-pong ball, so how does a whole, sharp picture of the world get squeezed inside it?

Your guess
What's your hunch about what your eye does with the light that comes into it?
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.