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Look down into the chamber and you’ll see an ongoing cascade of thin white trails appearing and disappearing. These are cosmic ray tracks, created by high-energy subatomic particles from space.
Where: Bechtel Gallery 3: Seeing & Listening
Powder inside a fluorescent tube makes invisible light visible.
See the chemical reactions taking place in an electrolytic cell, as electricity flowing through a tank of salt water and pH-indicating dye creates zones of acidic (yellow) and basic (blue) solutions.
Where: Fisher Bay Observatory Gallery 6, Mezzanine
Pier 15 (Embarcadero at Green Street)San Francisco, CA 94111(415) 528-4444
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