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.
Emmy Noether was a German mathematician known for her contributions in the fields of physics and algebra. Read on to learn more about Emmy Noetherâs profile, childhood, life and timeline. Born on March 23, 1882 in Bavaria Germany, Amalie Emmy Noether made several contributions in the field of Mathematics. She is best known for her study in chain conditions on ideals of rings. Her works on group theory, number theory, group representations, algebra and ring theory are greatly recognized worldwide.