New sonar images released by the U.S. Army Corps of Engineers have captured the sunken remains of the Francis Scott Key Bridge in Baltimore. The agency’s Baltimore District says the photos ...

Hamstrung by poor visibility in Baltimore’s Patapsco River, divers are using sonar to help navigate the underwater wreckage ...

See a sidescan sonar image. Marine scientists may use sidescan sonar to map the hills, valleys, and other features of the ocean floor. This sophisticated sonar returns very detailed "pictures" of ...

While a well-known use of this is sonar, ultrasonic sensors can also be put to use to make a radar-like system. This ultrasonic radar project is from [mircemk] who uses a small ultrasonic distance ...

First, the sonar. A Type 23 has a variable depth, low-frequency active sonar which can be operated above and below the various temperature and salinity layers that the sneaky submariner will ...

Over the past 40 years, cumulative research across the globe has revealed a coincidence between naval sonar testing events and acute decompression sickness in beached marine mammals. Beached or ...

Maritime researchers located the remnants of a long-lost steamer ship off the coast of western Michigan using sonar and historical newspaper accounts. The Michigan Shipwreck Research Association ...

In 1987, Operation Deep Scan, the most ambitious sonar survey of Loch Ness, found three unexplained underwater targets. But perhaps the most important effect of Whyte's book was to turn the tide ...

The U.S. Army Corps of Engineers on Wednesday released striking new 3D sonar images that capture an underwater view of the debris from the collapsed Francis Scott Key Bridge in Baltimore. The bridge, ...

He said one Australian diver was injured when a Chinese destroyer used sonar while near an Australian frigate in international waters last Tuesday. Defense Minister Richard Marles said Saturday he ...