Mystery #4Tier 2physics / light
Why do colours fade away in the dark?
Look around a brightly lit room and the world bursts with colour. Now picture that same room late at night, lit only by the faint glow from a window: you can still make out shapes, but the reds and blues drain away to grey. Nothing in the room changed colour, so what changed?
Your guess
What's your hunch about why you can still see shapes in the dark, but the colours seem to disappear?
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.