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radiology
(Encyclopedia)radiology, branch of medicine specializing in the use of X rays, gamma rays, radioactive isotopes, and other forms of radiation in the diagnosis and treatment of disease. X ray machines and fluoroscop...oarfish
(Encyclopedia)oarfish, large, elongated fish, genus Regalecus, found in the oceans worldwide except for the polar regions. Oarfish species are solitary and rarely seen by humans. The giant oarfish, R. glesne, is th...Hess, Victor Francis
(Encyclopedia)Hess, Victor Francis, 1883–1964, American physicist, b. Austria, Ph.D. Univ. of Graz, 1906. After teaching at the universities of Graz and Innsbruck, he came to the United States in 1938 and was lat...Hounsfield, Sir Godfrey Newbold
(Encyclopedia)Hounsfield, Sir Godfrey Newbold, 1919–2004, British electrical engineer. A radar expert for the Royal Air Force during World War II, in the 1950s Hounsfield began developing computer and X-ray techn...wood
(Encyclopedia) CE5 Wood A. Cross section of a woody stem B. Enlarged view, showing xylem, phloem, and cambium wood, botanically, the xylem tissue that forms the bulk of the stem of a woody plant. Xylem conducts ...Charles XI, king of Sweden
(Encyclopedia)Charles XI, 1655–97, king of Sweden (1660–97), son and successor of Charles X. Charles ascended the throne at the age of five, so a council of regency ruled until 1672. The regency ended Swedish w...Cormack, Allan MacLeod
(Encyclopedia)Cormack, Allan MacLeod məkloudˈ, côrˈmək [key], 1924–98, American physicist, b. Johannesburg, South Africa. After studying at the Univ. of Cape Town (B.S. physics, 1944, M.S. crystallography, 1...Bigfoot
(Encyclopedia)Bigfoot or Sasquatch, large apelike creature reportedly sighted hundreds of times in the United States and Canada (most often in the Pacific Northwest) since the mid-19th cent. Similar to Asia's abomi...Rages
(Encyclopedia)Rages rāˈjē [key], ancient and medieval city of Persia, located on the site of modern-day Ray, N Iran, a suburb of Tehran. Rages is mentioned in the Avesta and in the inscriptions at Behistun. Beca...Charles III, king of Naples
(Encyclopedia)Charles III (Charles of Durazzo), 1345–86, king of Naples (1381–86) and, as Charles II, of Hungary (1385–86); great-grandson of Charles II of Naples. Adopted as a child by Joanna I of Naples, he...Browse by Subject
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