![Salt Water-Powered Lamp Could Run on Your Tears [Lights]](https://img.ksl.com/slc/2501/250142/25014263.jpg?filter=kslv2/responsive_top_sm&v=1346779652)
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The next time you go camping, instead of bringing batteries to keep your lantern running, you might only need to bring a salt shaker or a really sad book. Because Green House Co. Ltd., a Japanese company, has developed an LED light that runs on just salt water.More Read More ...
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