Learn with us online while the Exploratorium is temporarily closed. You can help us reopen—donate today.
Trace your shadow, then make it change.
This is a glass of water sitting on scale doing nothing. Or is it nothing?
Select archived time-lapse sequences that reveal human and natural processes at work.
Movement is reduced to stillness, given an astronomical gear ratio.
Nine clocks show the current time on other planets and our moon.
Flashing lights create the illusion of motion.
Check out a clock full of tinkerers that chimes the time.
Two performers replicate an analog clock by sweeping two piles of garbage.
Create vivid images of yourself as you explore movement.
Catch the momentary beauty of a water drop falling into a pool.
As a task becomes more complex, it requires more mental effort—and that takes time.
Capture a moment in time.
(Embarcadero at Green Street)
San Francisco, CA 94111
Get at-home activities and learning tools delivered straight to your inbox