For the last century, much of the world's scientific research has been conducted at the request of governments, and most often under the supervision of the military. The technological advances resulting from such research--from the development of the...

Although they rely on two fundamentally different types of wave transmission, Radio Detection and Ranging (RADAR) and Sound Navigation and Ranging (SONAR) both are remote sensing systems with important military, scientific and commercial applications....

In the latter part of the nineteenth century electricity and magnetism were a prime area of research in Europe. In 1887, Heinrich Hertz in Germany was the first to realize the significance of the behavior of radio waves. Hertz found that, like most...

Used to address a radar officer in the Royal Navy in Sylvester, by Edward Hyams. The term would now suggest to a wide audience the nickname of Radar O’Reilly, the character in the long-running television series M.A.S.H. starring Alan Alda as...

Radar is a system that uses electromagnetic waves to identify the range, altitude, direction, or speed of both moving and fixed objects such as aircraft, ships, motor vehicles, weather formations, and terrain. A transmitter emits radio waves, which are...

An unexplained two-hour outage at a radar facility in the Amazon forced at least four American Airlines flights from the U.S. heading to Brazil to return to Miami International airport early Saturday.Carol Cavalcante, an official with Brazil's national airport authority Infraero, confirmed that radar under...

Russia's lower house of parliament on Friday annulled an agreement with Ukraine on using Soviet-built military radars, citing Kiev's bid to join NATO.At the same time, lawmakers extended another deal, which calls on Ukraine to help maintain Russia's intercontinental ballistic missiles — a move reflecting...

Iran said Sunday it had received indications from Russia's president that he would not follow through with an offer to allow the U.S. to use a radar station in neighboring Azerbaijan for missile defense against Tehran.Earlier this month, Russian President Vladimir Putin proposed Washington use...

A new ground radar system designed to prevent runway collisions at the nation's busiest airports loses accuracy during snowstorms at O'Hare Airport and can fail to see snowplows, baggage carts and other vehicles, the president of the local air traffic controllers union warned on Thursday.Joseph...