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Posted inNature

Cal prof Joshua Bloom makes earthquake alert kit for $110

Joshua Bloom’s homemade earthquake early warning alarm, in a box from East Bay restaurant Grégoire. Photo: Joshua Bloom Joshua Bloom’s homemade earthquake early warning alarm, in a box from East Bay restaurant Grégoire. Photo: Joshua Bloom When the Napa earthquake struck on Aug. 24, Joshua Bloom had a 5-second warning. That’s because the UC Berkeley astronomy […]