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WebA 15-year-old high school junior from Victoria, British Columbia, Ann Makosinski, created a hollow flashlight powered by the holder's body … WebSep 24, 2013 · That’s what Ann Makosinski of Canada has done with her Hollow Flashlight, which won the 15-16 age group category of the Google Science Fair on Monday. Makosinksi’s flashlight runs on four... close loop air filter
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