
The Citrus Clock, designed by Florian Dussopt + Julie Girard and spotted in the City Eco Lab at the Saint-Étienne Design Biennale, uses primary school chemistry for power--an electrolysis of zinc and copper (the plug under the lemon) in an salted or acid liquid (the lemon). Oxidation creates the juice, er electricity.
More info here.
>> View all Saint-Étienne Design Biennale posts here.
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