Electromagnetic (EM) radiation is a form of energy that is all around us and takes many forms, such as radio waves, microwaves, X-rays and gamma rays. Sunlight is also a form of EM energy, but visible light is only a small portion of the EM spectrum, which contains a broad range of electromagnetic wavelengths.
Emmylou Harris. Emmylou Harris (born April 2, 1947) is an American singer and songwriter. She has released many popular albums and singles over the course of her career, and she has won 13 Grammys as well as numerous other awards.
artists > E > Emmylou Harris > Bio. During the '70s Emmylou Harris' clear, plaintive soprano made her a country hitmaker, and the neotraditionalist arrangements on her records appealed to rock & folk fans as well.