Sunday, February 05, 2006
ThinkGeek :: Water Powered Calculator
ThinkGeek :: Water Powered Calculator: "That's right - to get this calculator juiced up, just add water (regular tap or filtered water, only). A cap full of water in the H2O battery can power the calculator for up to 3 months. "
The technology apparently works by degrading a strip of zinc.
Read more about the technology at science.ca
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Calculators are important tools in our lives this Water powered calculator is the coolest adaptation to a calculator since the invention of the micro-chip! The calculator has a standard 12-digit display and takes care of your basic adding machine functions.
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