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Clarence Madison Dally (January 8, [1] 1865 – October 2, 1904 [2]) was an American glassblower, noted as an assistant to Thomas Edison in his work on X-rays and as an early victim of radiation dermatitis and its complications. He is thought to be the first human death resulting from X-ray exposure.
Edison began studying X-rays almost immediately after Röntgen's discovery and delegated the task to Dally. Over time, Dally underwent more than 100 skin operations due to radiation damage. Eventually, both of his arms had to be amputated. His death led Edison to abandon all further X-ray research in 1904.
Edison in 1861. Thomas Edison was born in 1847 in Milan, Ohio, but grew up in Port Huron, Michigan, after the family moved there in 1854. [8] He was the seventh and last child of Samuel Ogden Edison Jr. (1804–1896, born in Marshalltown, Nova Scotia) and Nancy Matthews Elliott (1810–1871, born in Chenango County, New York).
Founded in 1900 by Thomas Edison, Willis R. Whitney, and Charles Steinmetz, this lab defined industrial research for years to come. Elihu Thomson, one of the founding members of the laboratory, summed up the goal of the lab saying, "It does seem to me therefore that a Company as large as the General Electric Company, should not fail to continue investing and developing in new fields: there ...
Radiography is an imaging technique using X-rays, gamma rays, or similar ionizing radiation and non-ionizing radiation to view the internal form of an object.Applications of radiography include medical ("diagnostic" radiography and "therapeutic radiography") and industrial radiography.
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NRL is one of the first US government scientific R&D laboratories, having opened in 1923 at the instigation of Thomas Edison, and is currently under the Office of Naval Research. [ 2 ] As of 2016, NRL was a Navy Working Capital Fund activity, which means it is not a line-item in the US Federal Budget.
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