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Turning bricks into batteries

Mark Frauenfelder
Sep 11, 2020
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Researchers have transformed ordinary red bricks into batteries by injecting gases that enable the material to store electricity . Developed by chemists at Washington University, each brick costs only $3 but, at this point, just lights up an LED bulb. From Scientific American:

The brick-battery relies on the reddish pigment known as iron oxide, or rust, …

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