Learn with us online while the Exploratorium is temporarily closed. You can help us reopen—donate today.
Explore light and color from a hole new angle.
Enlarge your perspective on color.
Make pinhole predictions.
Discover a straight path to enlightenment.
Take a (super) close look at your smartphone. You may be surprised by what you see.
Not all shadows are black.
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