In Colombia, engineers have developed a lamp that runs on saltwater instead of electricity, offering a simple solution for off-grid coastal communities. The device uses a chemical reaction between saltwater and internal metal plates to generate small amounts of electrical energy. When seawater is poured into the lamp, it acts as an electrolyte, triggering a reaction that powers an LED light. The system doesn’t rely on fuel, wiring, or batteries in the traditional sense — just saline water and re
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In isolated regions of Colombia, the introduction of saltwater-powered lamps is bridging the gap where traditional power grids fail to reach. This technology utilizes a chemical reaction between seawater and copper plates to produce a continuous flow of electricity. Unlike solar power, which depends on clear skies, these lamps remain fully operational during cloudy weather or at night without the need for expensive battery storage. This makes them a more reliable alternative for coastal villages
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