Masks are required for all visitors 2+. Vaccines recommended. Plan your visit
You’ll feel the pressure to do some heavy lifting.
Take an exclusive tour of the Hetch Hetchy water system.
Shake just right to see the light.
Bike builder David Folch builds supersized bikes for supersized riders.
Compare the brightness of two light sources with an oil spot on a white card.
Light an LED with five cents.
The Doppler effect causes the “neeeeeoowwm” sound of cars.
See how differently shaped ears affect your hearing.
Short bursts of moving images produce some interesting effects.
So close, yet so far away.
What happens when you blow a fuse?
Explore resonance to discover how objects vibrate at certain frequencies.
