Radio detection and ranging (RADAR).On 27 September 1922 the CO of NAS (1) See network access server. (2) (Network Attached Storage) A specialized file server that connects to the network. A NAS device contains a slimmed-down operating system and a file system and processes only I/O requests by supporting the popular Anacostia, D.C., proposed that radio could be used to detect the passage of a ship at night or during heavy fog. The proposal resulted from an observation at the Aircraft Radio Laboratory, NAS Anacostia, when a passing fiver steamer interrupted experimental high-frequency radio transmissions between Anacostia and a receiver across the fiver. The observation and analysis of the phenomenon was a first step in the chain of events that led to the U.S. Navy's invention of radio
The new technology rapidly evolved for military applications, as with this early radar antenna installed on the battleship battleship, large, armored warship equipped with the heaviest naval guns. The evolution of the battleship, from the ironclad warship of the mid-19th cent., received great impetus from the Civil War. New York New York, state, United States New York, Middle Atlantic state of the United States. It is bordered by Vermont, Massachusetts, Connecticut, and the Atlantic Ocean (E), New Jersey and Pennsylvania (S), Lakes Erie and Ontario and the Canadian province of (BB 34), left, in 1938. Soon, radar came to have many uses outside the military arena, from providing visual images of weather phenomema, above, to tracking both military and civilian air traffic, right. From its humble beginnings in the early 20th century, radar has become a part of our everyday lives. |
|
||||||||||||||||||||
Printer friendly
Cite/link
Email
Feedback
Reader Opinion