Find the center of gravity of almost any object just by using your fingers.
Get a shock from a pie pan and some socks.
Now you can explain why the sky is blue and the sunset is red.
To see or not to see.
Use a sheet of liquid crystal to learn about how infrared cameras work.
It's all done with mirrors!
Suspend a ball in a stream of air.
Try to balance a stick on the tip of your finger. Does it matter which end is up?
A rotating black-and-white disk produces the illusion of color.
Suspend an object in air by blowing down on it.
A bicycle wheel acts like a giant gyroscope.
Getting used to looking at one color can lead you to perceive an entirely different color.
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© 2014 Exploratorium
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