photoelectric cell
81electronics — I (New American Roget s College Thesaurus) Science of electrons Nouns 1. electronics, electron physics, electronic engineering, solid state electronics; musical instrument digital interface, MIDI; electron theory of atoms or solids;… …
82electric eye — noun a transducer used to detect and measure light and other radiations • Syn: ↑photoelectric cell, ↑photoconductive cell, ↑photocell, ↑magic eye • Hypernyms: ↑transducer, ↑detector, ↑sensor, ↑ …
83magic eye — noun a transducer used to detect and measure light and other radiations • Syn: ↑photoelectric cell, ↑photoconductive cell, ↑photocell, ↑electric eye • Hypernyms: ↑transducer, ↑detector, ↑sensor, ↑ …
84Luna 3 — LunarOrbiter Name=Luna 3 Organization=USSR Contractors=OKB 1 MissionType=Planetary Science Lunar Flyby LaunchDate=October 4, 1959 at 00:43:39.7 UTC LaunchVehicle=SS 6/R 7 (8K72) MissionHighlight=Lunar flyby October 6, 1959, 14:16 UTC at distance… …
85Remote control — For other uses, see Remote control (disambiguation). A television remote control unit (RCU) A remote control is a component of an electronics device, most commonly a television set, used for operating the television device wireless …
86Computer graphics — This article is about graphics created using computers. For the article about the scientific study of computer graphics, see Computer graphics (computer science). For other uses, see Computer graphics (disambiguation). A Blender 2.45 screenshot,… …
87thallium — /thal ee euhm/, n. Chem. a soft, malleable, rare, bluish white metallic element: used in the manufacture of alloys and, in the form of its salts, in rodenticides. Symbol: Tl; at. wt.: 204.37; at. no.: 81; sp. gr.: 11.85 at 20°C. [1860 65; < NL,… …
88rocket and missile system — ▪ weapons system Introduction any of a variety of weapons systems that deliver explosive warheads to their targets by means of rocket propulsion. Rocket is a general term used broadly to describe a variety of jet propelled missiles… …
89cytophotometry — A method of measuring the absorption of monochromatic light by stained microscopic structures ( e.g., chromosomes, nuclei, whole cells) with the aid of a photoelectric cell; also used to measure emitted light from such objects by …
90Timeline of Russian inventions and technology records — The Hall of Space Technology in the Tsiolkovsky State Museum of the History of Cosmonautics, Kaluga, Russia. The exhibition includes the models and replicas of the following Russian inventions: the first satellite, Sputnik 1 (a ball under the… …
