Salt-powered lantern provides a sustainable lighting solution
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A new lighting alternative from the Philippines creates light using salt water. The lantern, named SALt v1.0, features two metal-air fuel cells which generate electricity once being activated by salt water. One glass of salt water can generate enough electricity for four full days of light. This is three times the amount that is currently available from technology in the market. Also, the liquid can be any mixture of salt and water; it does not have to be water from the ocean.
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