Spark of Light Lamp Powered by Bacteria

The bacteria-powered Spark of Light lamp requires no batteries only a thriving colony of bioluminescent bacteria. An electrode in each chamber captures the natural electric currents produced by the healthy bacteria, which is enough to power the lamp’s LEDs.

Although the lamp needs no batteries or external power, the bacteria do need to be fed a bit of acetate every two weeks, and the vessels should be cleaned a few times during the year. Get more information.

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