The Last Techno Land
Now, a flashlight powered by heat from your hand
A 15-year-old girl in Canada has invented a flashlight that produces light just by using the warmth of your hand.
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A 15-year-old girl in Canada has invented a flashlight that produces light just by using the warmth of your hand.A 15-year-old girl in Canada has invented a flashlight that produces light just by using the warmth of your hand.
