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1994. Beverly Gherman. Atheneum. Dr. Rontgen discovered a new kind of ray that would penetrate many things, including human flesh. Rontgen won the first Nobel prize in physics for his research and the Xrays he discovered have become an important part of modern life. Included are a simple explaination of how Xrays are used today in medicine and industry. 32 pages, hard cover, full color. Grades 2-5.