Smithsonian Magazine on MSN8mon
There’s a Better Way to Teach the California Gold RushIn that telling, in January 1848, carpenter James Marshall found flakes of gold while building a water-powered sawmill for ...
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Quantum forces used to automatically assemble tiny devicethe researchers immersed the glass-mounted gold flake in a solution of salty water containing additional triangular gold flakes, then let forces that arose naturally do the job instead.
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