Green Gadgets - The Water Powered Calculator

Check out this water powered calculator.

Electrolytes in the water generate the power, and all you need to do to keep it running is top up the battery pack with water every now and then.

The water Powered Calculator is available to buy online from bitsandpieces for $8.99 (About £4.50).

via SlashGear

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Tags: gadget, water

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