A Light Powered by Salt Water

Really interesting news thanks Ian 👍

Permacooking

Thanks to the Sustainable Alternative Lighting project, rural communities in the Philippines will no longer have to depend on kerosene and candles to light their homes at night. DubbedSALt, a new device provides illumination using just the power of salt water. One glass of water and two tablespoons of salt makes the lamp glow for up to eight hours.

http://mentalfloss.com/article/66587/light-powered-salt-water

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