Your pupil changes size to control how much light enters your eye.
A pendulum moving in two directions creates beautiful designs.
Make multiple images of yourself.
A magnet falls more slowly through a metallic tube than it does through a nonmetallic tube.
Start your own electric flea circus!
What's your (electrical) sign?
See yourself become someone else.
When you overlap materials with repetitive lines, you create moire patterns.
Find out one reason that buildings aren't equal in an earthquake.
It's all done with mirrors.
A magnet exerts a force on a current-carrying wire.
Big swings from little pulls grow.
Pier 15San Francisco, CA 94111(415) 528-4444
© 2014 Exploratorium
Sign up for our newsletter