near-surface antenna
21List of Aqua Teen Hunger Force villains — This is a list of villains or monsters that appear in the television series Aqua Teen Hunger Force . Recurring villains These villians have appeared more than two episodes Mooninites Status: Alive (All) Ignignokt and Err are two dimensional… …
22Northern Light (spacecraft) — Northern Light Northern Light Lander on Mars (artist s impression) Operator Northern Light Consortium Major contractors Thoth Technology Inc. Mi …
23Sonoma Mountain — Infobox Mountain Name = Sonoma Mountain Photo = Sonomamtnfrmannadel.jpg Caption = Northeast flanks of Sonoma Mountain viewed from Annadel State Park. Elevation = convert|2287|ft|m|0|lk=on|abbr=on Location = Sonoma County, California, USA Range =… …
24Submarine navigation — underwater requires special skills and technologies not needed by surface ships. The challenges of underwater navigation have become more important as submarines’ spend more time underwater, travelling greater distances and at higher speed.… …
25telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… …
26History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… …
27electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …
28Wardenclyffe Tower — (1901 ndash; 1917) also known as the Tesla Tower, was an early wireless telecommunications aerial tower designed by Nikola Tesla and intended for commercial trans Atlantic wireless telephony, broadcasting, and to demonstrate the transmission of… …
29Magellan (spacecraft) — Magellan Artist s depiction of Magellan at Venus Operator NASA / JPL Major contractors Martin Marietta / Hughes Aircraft …
30Cassini–Huygens — Artist s concept of Cassini s Saturn Orbit Insertion Operator NASA / ESA / ASI Mission type …
