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.
Friday 26 April 2013 13.06 EDT First published on Friday 26 April 2013 13.06 EDT. George Jones, who has died aged 81, was country music's most stylish and emotional singer. Less well-known outside the genre than his one-time wife Tammy Wynette, he had one of the finest voices of the 20th century.