How Does a Water-Powered Alarm Clock Work?

Written by luca cusolito
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A water-powered alarm clock may seem to run solely on streams of water poured into the device, but there is more science going on inside than what meets the eye.

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Water-powered alarm clocks employ an internal mechanism that extracts ions from liquid. These extracted electron molecules then create an electrical current that generates power to the device.


Water-powered devices convert ions to create clean energy. This is different from H2O batteries, which are an actual battery that relies on a chemical reaction when introduced to water to create energy.


Water-powered alarm clocks and other water-powered devices do not rely on outlet-based electricity or batteries to run, making them a greener choice when choosing a household item. Water is readily in supply to keep these items up and running.

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