![]() ![]() This is an approach we've seen used in battery designs for other LED lanterns, and is the basis of grander visions of a source of renewable energy. ![]() The SALt LED lamp relies on a galvanic cell battery, in which the electrolyte solution consists purely of salty water, into which two electrodes are placed. She is looking to replace this hazardous light source with something the archipelago of the Philippines has in abundance: saltwater. The SALt (Sustainable Alternative Lighting) lamp burns for eight hours at a time running on only a glass of water and two teaspoons of salt.Įngineer and Greenpeace volunteer Aisa Mijeno came up with the idea for SALt after spending time with native Filipino tribes relying on kerosene lamps to perform everyday tasks after dark. This, combined with the cost of keeping them burning has given one startup the impetus to build a better solution. While cheap, these fire hazards are bad for the environment and human health. Many of the more than 7,000 islands in the Philippines lack access to electricity, so after the sun goes down light usually comes by way of kerosene lamps. ![]()
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