Low-cost, teacher-tested activities for the classroom and the curious.
Science of Cooking • Explore the science behind food and cooking with recipes, activities, and Webcasts.
Learn how Hubble Telescope scientists put together those lovely pictures.
Uncover the everyday origins of some extraordinary instruments.
Learn about the transit of Venus - what it is, what you'll see, and why it's important. View the rarest eclipse of them all - the Transit of Venus.
by Kevin Boyd • November 10, 2015
A giant blob of warm water means no crab for Christmas.
Make a scale model of the Solar System and learn the REAL definition of "space."
What is a gear ratio? And how do gears help make the bicycle so efficient?
If you stare at this dot, for few moments it disappears.
Pier 15 (Embarcadero at Green Street)San Francisco, CA 94111(415) 528-4444
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