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

Susan Schwartzenberg is a senior artist at the Exploratorium, where she leads the development of the Fisher Bay Observatory Gallery. She has been a curator, photographer, designer, and artist, and ...

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.

Plan Your Visit You can’t get more San Francisco than this. Blow giant rainbow bubbles, run through fog, crawl into darkness in the Tactile Dome, enjoy Bay views, and so much more. Play with 700+ ...

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 ...

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 ...

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 hours are you open?

Make three Roto-Copters for each person. Use a marker to draw a 1-foot circle on a piece of newspaper. Put a cereal bowl in the middle of the circle. The circle is the target area and the bowl is the ...

See the invisible made visible using tools from simple hand lenses to powerful microscopes ...

It might seem obvious to say that earthquakes do most of their damage by shaking the ground. But groundshaking is actually a complex phenomenon. Engineering the seismic safety of a structure involves ...

How a gathering at San Francisco’s Exploratorium became a national holiday ...