SAN FRANCISCO (KGO) -- A strobe light and a giant phosphorescent screen offer endless posing possibilities in the popular Exploratorium exhibit, "Shadow Box." Inside the Shadow Box, visitors can ...
Differential: This cleverly assembled gear set enables one rear wheel of a car to turn at a different speed from the other rear wheel, so that a vehicle smoothly can turn corners without skidding. A ...
SAN FRANCISCO (BCN) After decades of educating students, tourists and Bay Area residents about the wacky ways of biology, physics, chemistry and more, the Exploratorium will be closing its doors at ...
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