The Exploratorium invites guests (21+) to step into an interactive playground of music, movement, and mind-bending discovery ...

The public is invited to celebrate the world’s favorite mathematical holiday at its birthplace ...

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.

Artist Bob Miller's Light Walk at the Exploratorium will change the way you look at light, shadow, and images.

Now we have great tools like spreadsheets to do the numerical computations for us. Below you can download OpenOffice (or Libre Office), Apple Numbers or Excel format files. In these spreadsheets, you ...

What Are the Three Types of Solar Eclipses?

Store up an electric charge, then make sparks. Tired of electrostatic experiments that just won’t work? This experiment will produce a spark that you can feel, see, and hear. Rub a foam plate with ...

Another popular system called a diagrammatic cipher, used by many children in school, substitutes symbols for letters instead of other letters. This system is, in essence, the same as the letter ...

Community Family Pass Program The Exploratorium provides free admission to families, youth, and small groups working with select Bay Area community-based organizations (CBOs). CBOs manage a check-out ...

Completely fill two bottles with hot water. Keep filling until a meniscus (an upward bulge) forms on the surface of the water. Completely fill two bottles with cold water. Keep filling until a ...

Climate change models predict that some parts of the world will get more rain and snow than the historical average, while others will get less. Different climate models give slightly different ...