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Ways of the owl key to drop in wind turbine noise pollution
Tags: Excerpts from the Windmill
MARKNESSE – The modern-day, clean energy producing wind turbines parks which tower over the Dutch landscape are bothersome to nearby residents who especially complain about noise pollution. The Dutch National Aerospace Laboratory thinks it has discovered a remedy to the problem. One of its researchers turned for a solution to the birds, wondering why, for example, owls are able to swoop down silently. He concluded that the fluffy down at the tip of the wings could be the answer he was looking for. His three-year study settled on fixing brushes to the turbine blades, which then produced significantly less noise.