Buy a Potato Clock

By Anupum Pant

Did you know? You can actually go to Amazon right now and buy a potato clock for just $4. The science experiment kit includes electrodes, wires and a digital clock with all the instructions you’ll need to assemble it. Of course the kit doesn’t include potatoes. You’ll have to get them separately.

Instead of using batteries to power the digital clock, this little science kit allows you to use two potatoes. On two good potaotes this clock will work for about two months, by that time your potatoes will start growing shoots too. When the potatoes become dry, your clock stops. Then you replace the potatoes. Here’s how it works.

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