solid-state relay
91Hubble Space Telescope — Infobox Space telescope name = Hubble Space Telescope (HST) caption = The Hubble Space Telescope as seen from Space Shuttle Discovery during its second servicing mission (STS 82) organization = NASAESASTScI alt names = nssdc id =… …
92California Department of Forestry and Fire Protection — InfoboxFireDepartment name = California Department of Forestry and Fire Protection (CALFIRE) motto = established = 1905 staffing = Career strength = 3,800 permanent 1,400 seasonal 4,300 inmates 8,200 volunteers [http://www.fire.ca.gov/about/about …
93Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass …
94New Horizons — For other uses, see New Horizons (disambiguation). New Horizons Operator NASA Major contractors Applied Physics Laboratory (APL) Southwest Research Institute (SwRI) …
95electron tube — an electronic device that consists, typically, of a sealed glass bulb containing two or more electrodes: used to generate, amplify, and rectify electric oscillations and alternating currents. Also called electronic tube. Cf. gas tube, vacuum tube …
96Shen Kuo — Infobox Scientist name = Shen Kuo zh. 沈括 image width = 280px caption = Shen Kuo, a Chinese scientist famous for his concepts of true north and land formation, among others. (Modern artist s impression) birth date = 1031 birth place = Qiantang… …
97North American railroad signals — Main article: North American railway signaling Baltimore and Ohio Railroad Color Position Light bracket masts at Magnolia, West Virginia North American railroad signals generally fall into the category of multi headed electrically lit units… …
98Microwave transmission — The atmospheric attenuation of microwaves in dry air with a precipitable water vapor level of 0.001 mm. The downward spikes in the graph correspond to frequencies at which microwaves are absorbed more strongly, such as by oxygen molecules… …
991ESS switch — The Number One Electronic Switching System, the first large scale Stored Program Control (SPC) telephone exchange or Electronic Switching System in the Bell System, was introduced in Succasunna, New Jersey, in May 1965[1]. The switching fabric… …
100Bell Labs — Bell Laboratories (also known as Bell Labs and formerly known as AT T Bell Laboratories and Bell Telephone Laboratories) is the research organization of Alcatel Lucent and previously the American Telephone Telegraph Company (AT T). Bell… …
