Learn with us online while the Exploratorium is temporarily closed. You can help us reopen—donate today.
Design, build, and test a model simple circulatory system.
Use wind to power a motor and light an LED.
Follow the process of revitalizing the Buchanan Mall in the Western Addition.
Measure the efficiency of solar cells.
Take a (super) close look at your smartphone. You may be surprised by what you see.
Can you see pictures in the air?
Learn to measure the efficiency of a solar cell.
How do scientific discoveries become practical inventions?
Watch out for stratification of objects—it's nuts.
Bike builder David Folch makes supersized bikes for supersized riders.
You’ll feel the pressure to do some heavy lifting.