This Sonar Display is comprised of a "waterfall," many sound waves arranged vertically. Scrolling upwards, these waves represent different sound patterns over time. Moving horizontally across the ...

Sound waves can reflect off surfaces ... This technique is applied in sonar systems used to measure the depth of the seabed and to find shipwrecks, submarines and shoals of fish.

China’s “Underwater Great Wall” effort to create anti-submarine systems is growing more sophisticated.

In early August, blue crab fans took over Lewes, Delaware, for the Crab Pot Jamboree, where the biggest catch was learning ...

You can't, right? Well, not with your eyes. But you can "see" with sound waves. See how it works below, then find out what sonar is used for.

most often sound waves. 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 ...

Naval sonar systems work like acoustic floodlights, sending sound waves through ocean waters for tens or even hundreds of miles to disclose large objects in their path. But this activity entails ...

After more than 80 years hidden beneath the waves off Rio de Janeiro, the location of a Brazilian troop transport ship ...

We now know that rising sea temperatures will affect sonar performance, sometimes greatly affecting submarines’ ability to find ships and other submarines, and ships’ ability to find them. This leaves ...