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Bubbles are round when they float free through air. But what happens when you pack bubbles together?
Capture the sound of your beautiful voice by singing into a wok.
It's easy to fold a sheet of paper in half. But can you fold a sheet of paper in half ten times?
A drop of water makes a fine magnifying lens.
An animal that blends in with its environment is much easier to see when it's moving than when it's still.
The fruit flies in this exhibit show just a few of the mutations that occur in natural fruit fly populations.
Can you tell the difference between human and nonhuman embryos?
You can mix just three colors of light to make over 16 million different colors!
Does it feel like the walls are closing in?
Tease your brain with five interactive illusions. You won't believe your eyes.
If you stare at this dot, for few moments it disappears.
Interact with the Cafe Wall Illusion.
Four exhibits small enough to fit on postcards.
Is it light gray or dark gray? It depends on the surroundings.
Your eye movements make this design seem to shimmer.
ExploratoriumPier 15, San Francisco, CA 94111