See pictures in thin air.
What you see is often affected by what you expect to see.
Why the world gets dark so fast outside the circle of the campfire.
Iron filings will trace out the lines of a magnetic field in three dimensions.
How ice skaters, divers, and gymnasts get themselves spinning and twisting faster.
Seeing is a cooperative effort involving your eyes and your brain.
Magnetic lines stop here.
A magnet exerts a force on a current-carrying wire.
Images of images of images can appear to repeat forever.
By heating a solution of soap, water and food coloring, fluid motion can be visualized.
It's all done with mirrors.
Use gelatin as a smoked lens, to view total internal reflection, and as a color filter.
Pier 15(Embarcadero at Green Street)San Francisco, CA 94111(415) 528-4444
© 2014 Exploratorium
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