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Bedol Water Clock

Look into the future and imagine a world without fossil fuels — and no batteries or a power outlet. Just add water. Well, the hydrogen car may be a generation way, but the Bedol water clock hints at the potential of water as an energy source. Within seconds of filling the clear plastic clock with tap water, its LCD display screen starts working. There’s a pair of proprietary metal plates inside the device that convert ions in the water into current, which supplies energy. It also has an alarm. The clock runs on 16 ounces of water, and just needs to be changed every few months. It comes in a number of colors, all being transparent. The clock costs $26. www.bedol.comJavier Serna

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