Science Of...

The Blades On Wind Turbines Are Spinning Super Fast

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These fast-moving blades can also be massive: some are more than 150 ft (45 m) long. Today, thousands of wind turbines are in use around the world, converting wind power into electricity. Some people are opposed to the massive towers because of the noise they create, and others claim that the infrasound generated by the turbines can result in health problems. Though these health claims are largely unverified by science, researchers are looking into methods for reducing the noise caused by the turbines.

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Key Facts In This Video

  1. Opponents of wind farms often object to the noise that the turbines produce. 00:02

  2. Scientists are hoping to develop quieter wind turbines and planes by modeling materials after the feathers in owl wings. 00:37

  3. With new technology inspired by owl feathers, the noise from wind turbines could become basically imperceptible. 00:54

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