The new tech is said to be more reliable than solar-powered lanterns, and it can use urine in emergencies.
The portable device acts as a mini generator that produces light using ionization — by filling it with 500 milliliters of seawater, the salt in the water reacts with magnesium and copper plates inside the device, converting it into electrical energy.
"Once filled with water, the energy delivery is immediate while solar lanterns need to transform solar energy to alternative energy to charge batteries and they only work if there is sun," Pineda said.WaterLight has patented a method that, they say, is the first to prolong the effects of ionization, allowing its lantern to produce electricity, and light, for longer periods of time.
The WaterLight project is one of many similar initiatives aimed at giving light to rural global communities. In February this year, designer Henry Glogau's
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