Template:Selected anniversaries/July 21: Difference between revisions
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||2012 – Erden Eruç completes the first solo human-powered circumnavigation of the world. | ||2012 – Erden Eruç completes the first solo human-powered circumnavigation of the world. | ||
||James Power Gordon (d. June 21, 2013) was an American physicist known for his work in the fields of optics and quantum electronics. His contributions include the design, analysis and construction of the first maser in 1954 as a doctoral student at Columbia University under the supervision of C. H. Townes, development of the quantal equivalent of Shannon’s information capacity formula in 1962, development of the theory for the diffusion of atoms in an optical trap (together with A. Ashkin) in 1980, and the discovery of what is now known as the Gordon-Haus effect in soliton transmission, together with H. A. Haus in 1986. Pic. | |||
||Roger Godement (d. July 21, 2016) was a French mathematician, known for his work in functional analysis as well as his expository books. | ||Roger Godement (d. July 21, 2016) was a French mathematician, known for his work in functional analysis as well as his expository books. | ||
Revision as of 17:38, 7 February 2018
1810: Chemist and physicist Henri Victor Regnault born. He will be an early thermodynamicist, best known for his careful measurements of the thermal properties of gases, and for mentoring William Thomson in the late 1840s.
1910: Physicist John Ambrose Fleming delivers lecture from within giant novelty Fleming tube.
1911: Professor of English and philosopher of communication theory Marshall McLuhan born. He will coin the expressions "the medium is the message" and "global village".
2016: Synthetic organism Ultravore begins consuming radioactive chemical waste at the Hanford Site.