Why is your shadow longer in winter than in summer? Grab a basketball and some paperclips and find out!
Discover secret colors hidden in a black marker!
"Mac Town," the first stop for many scientists in Antarctica, is the same as any town–only different.
What are the best materials for frames? What are the best designs?
Heat 'em, beat 'em, or mix 'em up: There are scientific processes at work when you cook with eggs.
With a lens, you can bend light to make pictures of the world.
Staff member Vivian Altmann presents the "Snack" Water-Bottle Membranophone." Make some noise with simple materials.
Pier 15 (Embarcadero at Green Street)San Francisco, CA 94111(415) 528-4444
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