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Latest Sonar Stories

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2011-07-29 14:11:15

Scientists have found a rainforest vine that has evolved dish-shaped leaves to attract the bats that pollinate it.

2011-07-28 23:19:02

The researchers discovered that a rainforest vine, pollinated by bats, has evolved dish-shaped leaves with such conspicuous echoes that nectar-feeding bats can find its flowers twice as fast by echolocation.

2011-07-14 09:00:00

OTTAWA, Ontario, July 14, 2011 /PRNewswire/ -- General Dynamics Canada has completed its largest and most successful Technology Demonstration Program (TDP) with Defence Research and Development Canada Atlantic (DRDC Atlantic), demonstrating a torpedo-defence enhancement that will increase the level of protection for Canadian Navy ships. The Multisensor Torpedo Detection Classification and Localization (MSTDCL) Technology Demonstration Program was initiated in 2006 by DRDC Atlantic to develop...

253219cfc8102cb7a5e667b724ffc72d
2011-06-08 07:24:23

Dolphins and porpoises use echolocation for hunting and orientation.

2011-05-30 07:22:25

Everybody has heard about echolocation in bats and dolphins.

524451657d775bc7a398544269bb847c
2011-05-26 12:05:00

Blind people have been known to learn to make clicks with their mouths and to use the returning echoes from those clicks to sense their surroundings.

2011-05-16 08:00:00

OTTAWA, Ontario, May 16, 2011 /PRNewswire/ -- General Dynamics Canada, a pioneer in the development of underwater acoustic processing systems, today announced the creation of a new Underwater Intelligence, Surveillance and Reconnaissance (UW ISR) Centre of Excellence.

2011-04-15 07:00:00

MOUNTAIN VIEW, Calif., April 15, 2011 /PRNewswire/ -- Today Norton by Symantec (Nasdaq: SYMC) released the 2012 beta versions of the award-winning Norton AntiVirus and Norton Internet Security, which are now available for free download from the Norton beta website.

2011-04-12 08:00:00

TEWKSBURY, Mass., April 12, 2011 /PRNewswire/ -- Raytheon Company (NYSE: RTN) has delivered critical mission systems early for the U.S. Navy's DDG 1000 Zumwalt-class destroyer.

76d229ed620e8a2039cffc541dd6b1101
2011-03-17 10:28:34

Scientists have long been aware of a link between naval sonar exercises and unusual mass strandings of beaked whales.


Word of the Day
postliminy
  • In Roman antiquity, the return of a person who had been banished, or taken prisoner by an enemy, to his old condition and former privileges.
  • In international law, that right by virtue of which persons and things taken by an enemy in war are restored to their former status when coming again under the power of the nation to which they belonged.
The word 'postliminy' comes from a Latin word meaning 'threshold'.