
Time Travel
by Paul Doherty • March 4, 2016
How can an event end the day before it begins?
Learn with us online while the Exploratorium is temporarily closed. You can help us reopen—donate today.
Dive into websites, activities, apps, and more.
Find out how far Curiosity has traveled: read its tire tracks.
Enjoy the colors and textures of phenomena demonstrated by Exploratorium exhibits.
Imagine yourself in the middle of the vast Pacific Ocean. You've been sailing for weeks, and there's no land in sight. Do you know where you are? Do you know which way to go?
In this video, Exploratorium educator Aiona Bones invites you to look through the vortex.
Visit Las Cuevas Research Station in Belize and the Natural History Museum in London to learn about the study of biodiversity.
Visit the Outdoor Exploratorium at Fort Mason to explore the science behind wind, waves, and more.
Visit the European Organization for Nuclear Research, known as CERN, which studies what the universe is made of and how the universe works.
Listen to bird songs and try to figure out which are songs, which are companion calls, and which are alarms.
Join Theo Jansen and watch the strandbeests come alive.
From May 20 to June 5 1997, we presented a webcast series exploring the art and science of severe storm visualization.
Break water into hydrogen and oxygen using a homemade electrolysis device.
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.
Your CRT screen may appear to wiggle when you give it the raspberry, but the only thing wiggling is you.
Wind tubes are a playful and inventive way to explore the effect that moving air has on objects.
Visit Las Cuevas Research Station in Belize and the Natural History Museum in London to learn about the study of biodiversity.
Everyone seems to love the sound of their own voice in the shower. That's because a simple shower stall produces some complex sound-altering effects.
Make a scale model of the Solar System and learn the REAL definition of "space."
How do you stop and steer a bicycle? What forces keep the bicycle from falling over?
Build a stripped-down motor, a simple, easy-to-make version of the electric motors found in toys, tools, and appliances.
Can a gum wrapper have a story? Discover just how important and meaningful an object can be.
The more astronomy changes, the more it stays the same. This series of images juxtaposes ancient and modern study of the celestial bodies.
Stand outside on a sunny day with a watch in your hand, and you can tell which way is north.
Meet David Goodsell, a molecular biologist and artist who finds beauty in the molecules of cells.
Learn about the rovers that have been exploring Mars since 2004, and view the amazing images they've taken.
Close your eyes and listen to tell where the paddle is when you play this all-listening version of the classic game Pong.
The Exploratorium wasn't built in a day—watch it go up in a minute.