Solar power perpetual motion

Solar power perpetual motion

Concord is doing work on Main Street, so they’ve set up detours, which include freestanding lights like the one shown above, powered in part by solar panels. This made me wonder: Do panels generate electricity from this artificial light, or are they tuned only...
Tonight at Science Cafe Concord: Self-driving cars

Tonight at Science Cafe Concord: Self-driving cars

The world may not have the flying cars people expected when The Jetsons was our vision of the future, but we’re awfully close to a technology that in many ways seems more difficult to achieve: the self-driving car. If you’re in the San Francisco Bay Area, in fact,...

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