(Encyclopedia)
CE5
Triode electron tube
electron tube, device consisting of a sealed enclosure in which electrons flow between electrodes separated either by a vacuum (in a vacuum tube) or by an…
(Encyclopedia) Orbiting Geophysical Observatory (OGO), series of six orbiting observatories (see observatory, orbiting) launched between 1964 and 1969 by the National Aeronautics and Space…
(Encyclopedia) biophysics, application of various methods and principles of physical science to the study of biological problems. In physiological biophysics physical mechanisms have been used to…
(Encyclopedia) Dundee, Angelo, 1921–2012, American boxing trainer, most famous for his work with Muhammad Ali, b. Philadelphia as Angelo Mirena, Jr. After serving in World War II he moved to New York…
(Encyclopedia) Blades, RubénBlades, Rubénr&oomacr;bānˈ bläˈᵺās [key], 1948–, Panamanian singer, songwriter, band leader, and actor. He is a graduate (1972) of the Univ. of Panama law school and…
(Encyclopedia) Amherst.
1 Town (2020 pop. 39,263), Hampshire co., central Mass., in a fertile farm area;
inc. 1759. Named for Lord Jeffery Amherst, it is a college town. Emily…
(Encyclopedia) toothfish, common name for a genus (Dissostichus) of deep-water marine ray-finned fishes found in waters off S South America to Antarctica. The Patagonian toothfish, D. eleginoides, is…
(Encyclopedia) Richter, BurtonRichter, Burtonrĭkˈtər [key], 1931–2018, American physicist, b. New York City, Ph.D. Massachusetts Institute of Technology, 1956. A professor at Stanford, Richter…
(Encyclopedia) Piltdown man, name given to human remains found during excavations (1908–15) at Piltdown, Sussex, England, by Charles Dawson. The find led to much speculation and argument. Since they…
(Encyclopedia) atomic number, often represented by the symbol Z, the number of protons in the nucleus of an atom, as well as the number of electrons in the neutral atom. Atoms with the same atomic…
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