A teenage girl's innovative technique to power flashlights without the use of batteries has given her an edge over thousands of other contestants at the Google Science Fair and has been selected for the finals. Fifteen-year-old Ann Makosinski from St. Michaels University School, Canada, came up with an innovative design that she refers to as 'hollow flashlight'. It uses the heat produced by the hands to produce energy, reports CBC News. The winners of the Google Science Fair will receive a grand prize of $50,000 scholarship from Google including a trip to the Galapagos Islands. Ann has been submitting her...
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