citrus clock Designer citrus powered clock

Florian Dussopt & Julie Girard designed this desk clock that’s powered by one of my favorite early chemistry experiments: the Citrus Clock has zinc and copper electrodes under the lemon halves and through oxidation and electrolysis, powers the clock. I bet it makes your desk smell nice, too. Via Core77.

becky stern headshot Designer citrus powered clock

Becky Stern

Becky Stern is director of wearable electronics at Adafruit Industries. Her personal site:

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