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When Life Gives You Lemons, Make A Clock

When Life Gives You Lemons, Make A Clock

By Evan Ackerman

I like lemonade. I like it a lot, in fact. But if there’s one thing that lemonade absolutely sucks at, it’s telling you what time it is. So next time you find yourself with some spare lemons, chop them up and stick them onto the Citrus Clock. The clock is made with two spikes of copper and zinc to impale the lemons on, and will run for a week using the juice contained in one lemon thanks to black magic electrolysis. It doesn’t have to be a lemon, either… Anything acidic will do. Like limes. Or potatoes. Or a battery.

The Citrus Clock doesn’t seem to be commercially available, but hey, you can make one at home! Or better yet, just go to any middle school science fair and steal one.

Citrus Clock ] VIA [ Core77 ]


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