Masks and vaccinations are recommended. Plan your visit
Coupled Pendulums
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: Crossroads: Getting Started
Downhill Race
Believe it or not, when objects roll downhill, it’s not their weight or size that determines their speed—it’s how their weight is distributed.
Rolling Through the Bay
Artist Scott Weaver has spent over 40 years painstakingly constructing this replica of the city of San Francisco out of toothpicks. Ping-pong balls added here or there wind their way through the model, visiting various famous sites along the way.
Where: Gallery 2: Tinkering
