Video: Volunteers use sonar to find, remove cast-away crab pots
In early August, blue crab fans took over Lewes, Delaware, for the Crab Pot Jamboree, where the biggest catch was learning ...
Mystery over World War Two ship torpedoed by Nazi Germany finally solved
A World War Two ship torpedoed by Adolf Hitler has been discovered along the coast of Rio De Janeiro using sonar imaging.
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Sonar used to detect underwater beaver burrows
A survey vessel with side-scanning sonar devices attached ... burrow entrances are being identified using survey vessels which have multibeam sonar devices attached. They record millions of ...