A teen invented a flashlight powered only by hand warmth; what else could we power this way? #discovery #didyouknow | Historical Marvels
A teen invented a flashlight powered only by hand warmth; what else c…
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At age 15, Ann Makosinski invented an LED flashlight that runs without batteries. It was heralded as a unique invention earning her a place on Forbes 30 Under 30 List. Ten years later Kylie Stanton is catching up with her to see where life has taken her. | Global BC
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At age 15, Ann Makosinski invented an LED flashlight that runs withou…
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