Found: Science fair project uses Peltier to power battery-free flashlight

By Shawn Knight · 19 replies
Sep 18, 2013
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  1. A 15-year-old high school student by the name of Ann Makosinski has invented a flashlight that draws power from the heat generated from the palms of your hands. Dubbed the “hollow flashlight,” it uses the Peltier effect (the same technology...

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  2. Skidmarksdeluxe

    Skidmarksdeluxe TS Evangelist Posts: 8,647   +3,274

    Very impressive and noble young lady. You go for it and keep it up.
  3. This is a really old story.
  4. RenGood08

    RenGood08 TS Booster Posts: 185   +13 pretty cool. Smart people on the rise!
  5. Better get a patent on that or Apple will steal it and sue you for using it.
    Iflash(tm) ;)
  6. Sandip

    Sandip TS Rookie

    Quite good looking
  7. Emexrulsier

    Emexrulsier TS Evangelist Posts: 574   +72

    If you remember back in the 70/80s that is exactly how MS made a large chunk of their fortune.
  8. Emexrulsier

    Emexrulsier TS Evangelist Posts: 574   +72

    It's not that old the fair starting accepting entries earlier this year and winners haven't been announced yet. But true this video could be at least 6 months old.
  9. A few months ago I saw a documentary about a Japanese scientist who spent about 10 years inventing and developing a heat-to-electricity technology. It's so exciting to see a young girl beat him in such a short period of time. She really gives a word "invention" a new meaning.
  10. Just another invention that will never see the light of day.
    The battery companies will buy up the patent and set on it.
    Take a good look, it's the last you'll see of it.
  11. rocklobster

    rocklobster TS Rookie

    Peltier tiles are nothing new, also considering how faint the light is from something like this there isn't much of a purpose for this aside from being used as a beacon. You'd have to charge a battery a lot in order to generate enough power to use for a flashlight or lamp even. In the phillipines this would be even harder to use considering how much harder it is to cool this with ambient air. This 'invention'(strapping a lamp to peltier tiles is not something fancy) isn't nearly as useful as using something like a hand powered dynamo to charge a battery to power a lamp.
  12. lipe123

    lipe123 TS Evangelist Posts: 718   +236

    Not entirely accurate. The peltier effect has been known about since the 90's and it's been used extensively in reverse to cool things. This isn't a new invention its just applying exiting tech in new ways
  13. unloco101

    unloco101 TS Rookie

    Well done.
  14. DrKrypton

    DrKrypton TS Rookie

    Im sorry but since when is Inventing something involve taking existing technologies and putting them together????? she didn't INVENT anything. how about I nail two boards together and call it a spoon??
  15. DrKrypton

    DrKrypton TS Rookie

    uh, and you obviously didn't do your homework - The Peltier effect is the presence of heating or cooling at an electrified junction of two different conductors and is named for French physicist Jean Charles Athanase Peltier, who discovered it in 1834.
  16. DrKrypton

    DrKrypton TS Rookie

    They use the peltier effect to power the space shuttle.
  17. cliffordcooley

    cliffordcooley TS Guardian Fighter Posts: 9,715   +3,696

    I wonder how much power could be generated during the insulting effects of homes, freezers, A/C ducts, and portable coolers.

    What about the heat generated from automobiles versus the surrounding air? There is allot more potential to this than powering hand-held flashlights.
  18. DrKrypton

    DrKrypton TS Rookie

    this tech is used in portable coolers. those that are plugged into your vehicle -

    do you know how to do research??
  19. cliffordcooley

    cliffordcooley TS Guardian Fighter Posts: 9,715   +3,696

    Not when I know how to get you to do it for me. This way I can do research and get you to help me with other research I don't have time for. How was that for a smart *** reply to a smart *** question?
  20. DrKrypton

    DrKrypton TS Rookie

    wow that was tricky. so you answer questions without knowing the answer. you must be a politician.

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