Masks and vaccinations are recommended. Plan your visit
A cube made from drinking straws can confuse your brain.
Without depth perception, random lines can become a chair!
A rotating black-and-white disk produces the illusion of color.
Make a friend disappear, leaving only a smile behind.
A colored object may look different against different-colored backgrounds.
If you want to stay hidden, you'd better stay still.
Your experience of the world influences what you see.
Test how well your brain can see patterns.
Eye'll be seeing you.
Control the (apparent) size of a hole with your brain.
The perceived color of an object depends on its background.
Make the palm of your hand appear to squirm and twist.
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Attribution: Exploratorium Teacher Institute
Connect with us!
(Embarcadero at Green Street)
San Francisco, CA 94111
Get at-home activities and learning tools delivered straight to your inbox