Chaff on Radar
22 April 2016 | National Weather Service |
Another item that can reflect radar waves is chaff. Chaff is the name given to tiny glass fibers covered in aluminum metal. Developed by the British and Germans independently during World War II, its purpose is to confuse enemy radar to make it more difficult to detect aircraft during wartime. It is dropped by airplanes and spreads widely with the wind as it falls.