How does a camera capture a picture?
Light's Memory Trick
How does a camera capture a picture?
You press a button and — click — the camera freezes a moment forever. How does it catch light and turn it into a picture you can keep?
Inside every camera is a dark box — like a tiny room with all the curtains closed. Light can't get in unless you let it. When you press the button, a little door called the shutter snaps open for a split second, and light rushes through the lens at the front.
