large aperture antenna
91Search for extraterrestrial intelligence — The search for extraterrestrial intelligence is sometimes abbreviated as SETI. For other uses, see SETI (disambiguation). Screen shot of the screensaver for SETI@home, a distributed computing project in which volunteers donate idle computer power …
92Mamiya — Digital Imaging Co., Ltd. Type Camera and lens manufacturer Industry Digital imaging and photography Founded May 1940 Headquarters Tokyo, Japan Key people …
93One-Mile Telescope — One antenna of the One Mile Telescope The One Mile Telescope at the Mullard Radio Astronomy Observatory (MRAO) is an array of radio telescopes (2 fixed and 1 moveable, fully steerable 60 ft diameter parabolic reflectors operating simultaneously… …
94Free-space path loss — In telecommunication, free space path loss (FSPL) is the loss in signal strength of an electromagnetic wave that would result from a line of sight path through free space, with no obstacles nearby to cause reflection or diffraction. It does not… …
95Superlens — A superlens, super lens or perfect lens is a lens which uses metamaterials to go beyond the diffraction limit. The diffraction limit is an inherent limitation in conventional optical devices or lenses.[1] In 2000, a type of lens was proposed,… …
96APG-68 — The AN/APG 68 radar is a solid state long range (up to 300 km) Pulse doppler radar designed by Westinghouse (now Northrop Grumman) to replace AN/APG 66 radar in the F 16 Fighting Falcon. The AN/APG 68 radar system consists of the following line… …
97Very Small Array — Infobox Telescope bgcolour = name = Very Small Array caption = organization = Cavendish Astrophysics Group, University of Cambridge Jodrell Bank Observatory, University of Manchester Instituto de Astrofisica de Canariascite web |… …
98Satellite television — List of digital television broadcast standards DVB standards (Europe) DVB S (satellite) DVB S2 DVB T (terrestrial) DVB T2 DVB C …
99astronomical observatory — any structure containing telescopes and auxiliary instruments with which to observe celestial objects. Observatories can be classified on the basis of the part of the electromagnetic spectrum in which they are designed to observe. The… …
100Ronald N. Bracewell — Infobox Scientist name = Ronald N. Bracewell box width = image width = caption = birth date = Birth date|1921|07|22 birth place = Sydney, New South Wales, Australia death date = Death date and age|2007|08|12|1921|07|22 death place = Stanford,… …
