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Clarence Madison Dally. 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 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 ...
X-ray photoelectron spectroscopy is a chemical analysis technique relying on the photoelectric effect, usually employed in surface science. Radiation implosion is the use of high energy X-rays generated from a fission explosion (an A-bomb) to compress nuclear fuel to the point of fusion ignition (an H-bomb).
Thomas Edison discovers thermionic emission. This effect forms the basis for the vacuum tube and the cathode ray tube. approximately 1893: The selenium phototube invention allows the conversion of brightness values into electrical signals. The principle is applied in wirephoto and television technology for a short time.
The United States Naval Research Laboratory (NRL) is the corporate research laboratory for the United States Navy and the United States Marine Corps. It was founded in 1923 and conducts basic scientific research, applied research, technological development and prototyping. The laboratory's specialties include plasma physics, space physics ...
Collecter, Ward Harris, holds a talking doll with a metal torso that was invented by Thomas Edison, in San Francisco, Calif., Feb. 9, 1949. Harris holds in his other hand the inside mechanicals of ...
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.