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Hands-On Teen Inventor: Ann Makosinski

  • November 26, 2013
  • By KIDS DISCOVER

At age 15, Ann Makosinski invented an LED flashlight that needs no batteries — it runs on hand heat! It taps the body’s thermal energy using Peltier tiles, which produce electricity when you heat one side and cool the other. Her work could spark new ideas for clean energy.

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