Bottlelight – Pump That Bottle

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Jia Peng, Cheng Peng, and Wang Dong Dong have come up with an interesting concept for an LED light – screw it into an empty plastic water or soda bottle, and squeeze the now sealed bottle repeatedly to generate light.  The piston device inside the Bottlelight converts the pressure fluxuations mechanically into power to run the LED.

Your thoughts?  Emergency illumination, or emergency party illumination?  You think this device will work on an empty two-liter bottle of EverClear Purple Passion?

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Thanks, EcoFriend!

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