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Our Campus: Ann Makosinski invented a body-heat powered flashlight and a mug that charges your phone
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Ann Makosinki Invents Body Heat-Powered Flashlight | Inventions, Amazing technology, Technology gadgets
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Manker E14 III 4000 Lumens Samsung LED EDC Camping Flashlights High Power Pocket Torch Light with Rechargeable USB 18350 Battery|LED Flashlights| - AliExpress
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