Algae Might Be an Energy Solution We Really Need

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By Kirk Miller We’ve got a battery issue — due to supply chain issues, rare materials shortages, the ongoing pandemic and higher demand. One novel solution? Turn to algae. Per New Scientist, Christopher Howe at the University of Cambridge and his colleagues placed a colony of blue-green algae inside a small aluminum / clear plastic container roughly the size of an AA battery. The device was placed on a windowsill during a 2021 Covid lockdown. In a six-month trial period, this cyanobacteria-powered device ran an Arm microprocessor that ran 45-minute cycles of calculating sums of consecutive int…

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