Friday, July 30, 2010

Scientist Challenges the Conventional Wisdom That What You Can’t Hear Won't Hurt You

Salt AN, Hullar TE.
Department of Otolaryngology, Washington University School of Medicine
National Institute on Deafness and Other Communication Disorders
National Institutes of Health

A wind turbine is a rotary device with a gigantic propeller as big as a football field that turns in the wind to generate electricity. Although wind turbines are more often found in Europe than in the United States, they’re rapidly becoming more popular here as a “green” energy source. Most people consider that a good thing, except the rotors of wind turbines also generate noise, particularly in the infrasound range, that some people claim makes them feel sick.

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