Tag Archives: citric

Citrus-Powered Clock Saves Electricity, Wastes Lemons

This clock burns with the power of lemons. No, really. This is a digital clock that is powered by citric acid. The wood plank has two spikes of copper and zinc built into it. Put half of a lemon on each spike and be amazed at how it runs on a single lemon for an entire week. It’s magic. Looking ...

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