A 25-foot wall which doubles as a wind turbine is a boon in these energy-hungry days. The wind turbine wall, created by American designer and entrepreneur Joe Doucet, consists of a grid of square panes spinning simultaneously along 25 axes. The grid can be placed anywhere, along a highway or a fence around a building. Simulations based on a single spinning rod have shown that one of these walls could service a typical American home’s requirement of 10,000 kilowatt-hours per year. Wind farms are typically placed along the coast but these walls can harvest strong winds in any location, including cities where other sources of energy like solar may be hard to harness. “In urban areas, there’s not a lot of open sunlight for solar to work," says Doucet, “Wind is always there.”

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