Proof of full COVID-19 vaccination is now required for all visitors ages
12+. Plan your visit
Start one of these two pendulums swinging and soon you’ll see the other pendulum start swinging, too. Keep watching and you’ll see the two pendulums take turns, alternately swinging energetically and coming to a near standstill.
Where: Osher Gallery 1: Human Phenomenon
In this device, a motor turns a wooden snake tail. When the tail pushes the snake head, it changes the connections and the motor changes direction.
Where: Gallery 2: Tinkering
(Embarcadero at Green Street)
San Francisco, CA 94111
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