1845 : Naissance de Wilhelm Roentgen

Documentation en ligne : Wilhelm Roentgenprix nobel de physique Encarta Wilkipedia Yahoo encyclo Agora Voila Google Msn Yahoo search Lycos AltaVista Mamma WebCrawler AskJeeves Wilhelm Roentgen and the Discovery of X-Rays de Kimberly Garcia Chroniques et points de vue Book Description Wilhelm Conrad Roentgen stumbled on x rays quite by accident working late one November night in 1895 in his laboratory in Wurzburg, Germany. Then 50 years old, he was a physical scientist who was experimenting with electricity. Even after he proved the existence of this "invisible light," Roentgen kept quiet about his discovery. He worked non-stop for several weeks, isolating himself and sometimes sleeping on a cot in his lab. He had his wife place her hand on a photographic plate for 15 minutes while x rays passed through it. The resulting picture became famous. His discovery is credited as being one of the greatest advances in the history of medicine. X rays have found countless uses over the years including being used to authenticate paintings, stamps, and coins, and in quality control labs to check the manufacture of countless products. When he first discovered x rays, Roentgen had no idea how those rays would be used to improve our lives. About the author Kimberly Garcia is a bilingual journalist who found her first job at a newspaper on the U.S.- Mexico border because she spoke Spanish. Her paternal great grandparents migrated from Spain in the early 1900s to New York where her great grandfather edited an Anarchist newspaper. Garcia has a bachelor’s degree in English and Spanish literature from the University of Wisconsin in Madison. After graduation, she worked for six years as a daily newspaper journalist covering crime, local governments... lire la suite en cliquant sur l'illustration. Wilhelm Conroad Roentgen and the Early History of the Roentgen Rays de Otto Glassner Chroniques et points de vue Book Description Rngten's discovery of X-rays at the end of 1895 immediately captured both the scientific and popular imaginations, and catapulted him to international fame, culminating in his receipt of the first Nobel Prize for physics in 1901. Otto Glasser's Wilhelm Conrad Rntgen here reprinted in its entirety from the 1933 English translation, is the most comprehensive biography of Rntgen ever written, presenting the full story of his life and work. With nearly 100 illustrations, and an extensive history of the acceptance and application of X-rays in the period just following Rntgen's discovery.

| Webmasters | Anniversaire | Email | Partenaires |

01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 01 02 03 04 05 06 07 08 09 10 11 12