Gallery: Hawaii-Based Engineer Develops a Laser Powered by Tropical Fru...


Ryan K, a member of the Maui Makers hackerspace, has developed a laser powered by one of the strangest renewable power sources ever: tropical fruit! To be more specific, the power source is the Hawaiian Lilikoi fruit (more commonly known as passion fruit). By using the fruit in conjunction with anodized bolts (source of zinc), thin copper pipe, wire, switches, LEDs and a capacitor, he was able to create a battery that literally grows on trees!

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1 Comment

  1. lddk August 24, 2012 at 4:08 pm

    Headline is misleading. He developed a battery, and used it to power an existing laser. I got really excited for a minute there…

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