high-voltage roentgen therapy
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X-ray — [ 22 December 1895 and presented to Professor Ludwig Zehnder of the Physik Institut, University of Freiburg, on 1 January 1896. The dark oval on the third finger is a shadow produced by her ring. [cite book last = Kevles first =Bettyann Holtzmann … Wikipedia
radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… … Universalium
Serendipity — is the effect by which one accidentally discovers something fortunate, especially while looking for something else entirely. The word has been voted as one of the ten English words that were hardest to translate in June 2004 by a British… … Wikipedia
