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Meet Saltwater-Powered Lamp

Aisa Mijeno, a Filipino architect and scientist, has developed a revolutionary lamp that runs on a glass of saltwater instead of batteries. The SALt (Sustainable Alternative Lighting) lamp was created to “light up the rest of the Philippines sustainably,” by finding an environment-friendly alternative light source suitable for people in coastal areas.

It can run for eight hours on just two tablespoons of salt and a glass of water. The idea behind it is the chemical conversion of energy, working on the scientific principle of the galvanic cell and making use of a harmless, non-toxic saline solution instead of hazardous electrolytes.

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