Learn with us online while the Exploratorium is temporarily closed. You can help us reopen—donate today.
Dive into websites, activities, apps, and more.
In 2009, the ECHO (Education through Cultural and Historical Organizations) Partners hosted a national symposium held at the Exploratorium to discuss the effects of climate change on the planet. You can watch archived webcasts of the symposium.
Find out why wind resistance is a big drag for bicyclists, and use our calculator to estimate drag for yourself.
In this activity, you'll learn about "tempering" -- a delicate process of melting and cooling chocolate.
The more astronomy changes, the more it stays the same. This series of images juxtaposes ancient and modern study of the celestial bodies.
See the JPL "sandbox" where robotic rovers are tested.
Experience this unique piece by Chloe Stamper, performed at Resonance.
Explore the creative process behind Theo Jansen's extraordinary strandbeests.
When you ride a bike in a straight line, you must make many minor corrections in order to stay upright.
Think you have a lot in common with a kiwi fruit? Genetically speaking, you do.
Take an impressionistic journey through the Exploratorium's Life Sciences area.
See for yourself how the tilt of the earth's axis results in what we experience as the seasons.
Split light into its different wavelengths using simple materials.
Break water into hydrogen and oxygen using a homemade electrolysis device.
See the JPL "sandbox" where robotic rovers are tested.
Celebrate musical experimentation with innovator, musician, and composer Roscoe Mitchell.
See the tiny disk of Mercury slowly travel across the face of the sun in this rare event.
What goes on under the ground during an earthquake? Use a Slinky to model the various seismic waves that make the earth tremble.
Close your eyes and listen to tell where the paddle is when you play this all-listening version of the classic game Pong.
Want to see where the biggest quakes have been this week? Follow a few of the links below to see what's shaking in your neighborhood and around the world.
Use printable images from our time-lapse movies to make flipbooks–handheld animations that you can make at home.
Why is your shadow longer in winter than in summer? Grab a basketball and some paperclips and find out!
Experiment with water, temperature, and light to see what makes a seed come out of its shell.