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Laboratory tests have revealed that this system can convert an impressive 10% of the kinetic energy from falling droplets into electricity—five times more efficient than traditional continuous water flow methods. Remarkably, with just two 32 cm tubes, researchers managed to power 12 LED bulbs for 20 seconds.
While this technology is not yet poised to replace large-scale energy generation methods, such as hydroelectric plants, its promise for urban environments is substantial. Rooftops in storm-prone areas could potentially serve as mini power stations, leveraging frequent rainfall to produce energy.