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Water Watcher
Posted on Aug 18, 08 08:39 AM PDT
A 12-year old Elizabeth Rintels managed to top the other contestants in a “Going Green Challenge” with her “Water Watcher” invention. The Water Watcher is a simple device that hooks up to the shower faucet and will beep and signal with a red light every time half a gallon of water is used. She was inspired to build that gadget after she found out that she could save about 1,000 gallons of water a year by just reducing her shower time by one minute. Her efforts bagged her a $10,000 cash prize.
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