Make a truth teller for light. Turn an old CD into a spectroscope to analyze light—you may be surprised by what you see. Try pointing your CD spectroscope at the fluorescent light in your room, sunlit ...

Experience the Exploratorium. Let your curiosity roam free through hundreds of exhibits in our six spacious indoor and outdoor galleries at Pier 15, San Francisco.

It's easy to get to Pier 15 on the Embarcadero by transit, car, or bike.

Global Climate Change Explorer Keeping an Eye on Our Changing Planet Scientists have been studying the relationship between global climate and carbon in the atmosphere for over a century, with a ...

Fill in your weight below in the space indicated. You can enter your weight in any unit you wish. Click on the "Calculate" button. Notice that the weights on other worlds will automatically fill in.

Fill in your birthdate below in the space indicated. (Note you must enter the year as a 4-digit number!) Click on the "Calculate" button. Notice that your age on other worlds will automatically fill ...

The Tinkering Studio is primarily an R&D laboratory, so whenever possible we try to share our projects, explorations, and developing ideas. Tinkerers We often invite artists, scientists, educators, ...

Low-cost, teacher-tested science activities for the classroom and the curious.

Happy National DNA Day, which commemorates the successful completion of the Human Genome Project in 2003 and the discovery of DNA's double helix in 1953. Published sixty-four years ago in the journal ...

Egg proteins change when you heat them, beat them, or mix them with other ingredients. Understanding these changes can help you understand the roles that eggs play in cooking. Proteins are made of ...

By using color chromatography—a technique that uses capillary action to separate different types of ink at different rates—you can discover the secret colors hidden in black ink.

Obviously this is a gross oversimplification of how a stadium wave actually works. An actual stadium wave simulator was created by professor Tamás Vicsek of Eötvos Loránd University in Budapest. He ...