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.
Use index cards to show how light plus light equals dark.
Explore the surprising side of color.
Make your own mix-n-match markers to produce a rainbow of colors.
by Eclipse Field Crew • February 29, 2016
Dispatches from our crew in Micronesia.
Take a (super) close look at your smartphone. You may be surprised by what you see.
Measure the brightness of the sun using cooking oil and a white card.
Explore the limits of vision—get to know your rods and cones.
(Embarcadero at Green Street)
San Francisco, CA 94111
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