optical instrumentation
41George A. Economou — George Aristotle Economou (June 24, 1923 ndash; April 2, 2003) was an American optical systems expert, who helped set up special cameras to photograph and study the first test of the atomic bomb in 1945. He was instrumental in the development of… …
42Instruments Research and Development Establishment — Infobox Laboratory name = Instruments Research Development Establishment motto = logo = established = February 1960 city = Dehradun, Uttarakhand research field = type = director = S.S. Sundaram staff = budget = operating agency = DRDO… …
43Regenerative circuit — The regenerative circuit (or self regenerative circuit) allows an electronic signal to be amplified many times by the same vacuum tube or other active component such as a field effect transistor.Description Regenerative circuits were employed in… …
44Dirk Reuyl — (1906 – 1972) was a Dutch American physicist and astronomer. He was the cousin of astronomer Peter van de Kamp. Contents 1 Life 2 Claim of planets 3 Later life and death …
45ELODIE spectrograph — ELODIE is a high resolution spectrograph installed at the Observatoire de Haute Provence 1.93 m reflector in south eastern France. Its optical instrumentation was developed by André Baranne from the Marseille Observatory. This spectrograph is… …
46Crew Return Vehicle — ISS Crew Return Vehicle – CRV (X 38 Prototype) Operator NASA The Crew Return Vehicle (CRV), sometimes referred to as the Assured Crew Return Vehicle (ACRV), is the proposed lifeboat or escape module for the International Spa …
47John C. Mather — Infobox Scientist name = John Cromwell Mather birth date = birth date and age|1946|8|7 birth place = Roanoke, Virginia, USA residence = United States nationality = United States field = Astrophysics, cosmology work institution = NASA alma mater …
48Chuck de Caro — Charles John “Chuck” de Caro (born 1950 in [Providence, Rhode Island]]) is an American strategist and futurist who originated the term SOFTWAR which is defined as: “The hostile use of global visual media to shape another society’s will by… …
49Aktive Optik — Aktoren der aktiven Optik des Gran Telescopio Canarias. Die aktive Optik wird bei Spiegelteleskopen eingesetzt, um die Spiegelkrümmung auszugleichen, die beim Schwenken des Teleskops entsteht. In der Astronomie werden Spiegelteleskope mit immer… …
50Meanings of minor planet names: 7001–7500 — As minor planet discoveries are confirmed, they are given a permanent number by the IAU s Minor Planet Center, and the discoverers can then submit names for them, following the IAU s naming conventions. The list below concerns those minor planets …
