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Many inventions improved the quality of radio, and amateurs experimented with uses of radio, thus planting the first seeds of broadcasting. Telefunken The company Telefunken was founded on May 27, 1903, as "Telefunken society for wireless telefon" of Siemens & Halske (S & H) and the Allgemeine Elektrizitäts-Gesellschaft ( General Electricity ...
[45] [46] [47] Three days later, the University of Cincinnati held a news conference on the experiments, which prompted three separate investigations of the experiments by the American College of Radiology, the Ad Hoc Review Committee of the University of Cincinnati, and the Junior Faculty Association of the University of Cincinnati, whose ...
Isidor Isaac Rabi won the Nobel Prize in Physics in 1944 for his discovery of nuclear magnetic resonance, which is used in magnetic resonance imaging.In 1950, spin echoes and free induction decay were first detected by Erwin Hahn [5] [6] and in 1952, Herman Carr produced a one-dimensional NMR spectrum as reported in his Harvard PhD thesis.
Robley D. Evans made the first measurements of exhaled radon and radium excretion from a former dial painter in 1933. At MIT he gathered dependable body content measurements from 27 dial painters. This information was used in 1941 by the National Bureau of Standards to establish the tolerance level for radium of 0.1 μ Ci (3.7 k Bq ).
The timeline of historic inventions is a chronological list of particularly important or ... 3.7 kya: Star chart in France, [71] [72 ... In literary records, ...
Radiology is a five-year post-graduate program that involves all fields of radiology with a final board exam. France To become a radiologist, after having validated the common core of medical studies, one must obtain a DES (Specialized Studies Diploma) in radiology and medical imaging (specialized studies in 5 years), or a DES in advanced ...
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The timeline of radio lists within the history of radio, the technology and events that produced instruments that use radio waves and activities that people undertook. Later, the history is dominated by programming and contents, which is closer to general history .