Learn with us online while the Exploratorium is temporarily closed. You can help us reopen—donate today.
Aurora
A reflector stretches light from colored tiles into long bright ribbons.
Cloud Chamber
Look down into the chamber and you’ll see an ongoing cascade of thin white trails appearing and disappearing. These are cosmic ray tracks, created by high-energy subatomic particles from space.
Drip Chamber
Liquid glycerin drips down, creating unique shapes and shadow patterns.
Where: This exhibit is not currently on view.
Fog Bridge #72494
In a city notorious for fog, this immense artwork by Fujiko Nakaya intermittently shrouds a pedestrian bridge spanning Piers 15 and 17 with clouds of mist, enveloping all in its gauzy embrace.
Where: Plaza
Sun Painting
Created by artist Bob Miller, this classic Exploratorium exhibit is a “live” painting that uses light from the Sun as its palette.
