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"Sonar" can refer to one of two types of technology: passive sonar means listening for the sound made by vessels; active sonar means emitting pulses of sounds and listening for echoes. Sonar may be used as a means of acoustic location and of measurement of the echo characteristics of "targets" in the water. [4]
Asdic was the British version of sonar developed at the end of World War I based on the work of French physicist Paul Langevin and Russian engineer M. Constantin Chilowsky. The system was developed as a means to detect and locate submarines by their reflection of sound waves.
An ocean exploration company took a sonar image of an object that resembled Amelia Earhart’s missing plane in January. New imaging confirmed it was a rock formation. They thought they’d found ...
Sound Surveillance System (SOSUS) was the original name for a submarine detection system based on passive sonar developed by the United States Navy to track Soviet submarines. The system's true nature was classified with the name and acronym SOSUS classified as well.
The South Carolina-based deep-sea explorer who stumbled upon what he believed to be Amelia Earhart’s long-lost plane in the Pacific Ocean has now confirmed his once-promising discovery was just ...
This article lists American military electronic instruments/systems along with brief descriptions. This list specifically identifies electronic devices which are assigned designations according to the Joint Electronics Type Designation System, beginning with the AN/ prefix.
National Museum of Science and Industry. ISBN 978-0-901805-94-2. Vigoureux, P. (1988). "Electric units at the National Physical Laboratory, 1900-50". Papers Presented at the Sixteenth I.E.E. Week-End Meeting on the History of Electrical Engineering: 9– 12.
Entrance to the Science Museum of Virginia. A science museum is a museum devoted primarily to science.Older science museums tended to concentrate on static displays of objects related to natural history, paleontology, geology, industry and industrial machinery, etc. Modern trends in museology have broadened the range of subject matter and introduced many interactive exhibits.