Usually disturbing noise is used to frighten birds from the airport and planes, but with the use of infrasound everyone is happy.
“…Low-frequency sound aimed at birds as they approach busy flight paths could reduce bird strikes that put airliners and passengers at risk, U.S. researchers say…”
To read more, click on the link below!
Sound may protect airliners from birds
UPI.com
Science News, Technology
January 21, 2013
Article link, please visit this site: http://www.upi.com/Science_News/Technology/2013/01/21/Sound-may-protect-airliners-from-birds/UPI-89811358808311/