Mike writes: "UC Berkeley researcher Michel Maharbiz has worked with other scientists to develop an alternative energy system based on transpiration, a natural process where trees pull water from roots to tops, with liquid eventually evaporating off of the leaves. Taking inspiration from this process, the team has created synthetic glass leaves that are essentially energy scavengers, deriving power from the evaporation-driven flow of water. Eventually the leaves could be implemented into whole artificial trees, providing a complementary technology to solar power."
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