The device makes sound waves scatter around an object making it invisible to sonar detection ... Sound waves are emitted from a ship or submarine and reflect off the surroundings allowing the ...

It's only accurate for up to 150 hours before the submarine needs to resurface for the system to be recalibrated with GPS. SONAR is a significant tool for submarines as well, and is mainly for ...

The US Navy is outfitting a pair of its submarines with new technologies that will improve its sonar and cut back on the noise of the boat's nuclear-powered steam generator. The new techs are ...

Remember, when in a submarine one must think up and down as well as left and right. Sonar technicians are able to look at the sound waves and identify their source with extreme accuracy.

That is why conservation science company SEA, in collaboration with the US Navy, has been tracking how sonar similar to that used in military submarines ... as sonar devices were dipped into ...

Between sonar, fathometers -- a device that measures the depth of the water underneath the ship's keel -- and satellite-generated maps, submarines have a good grasp on navigating the ocean's ...

The Chinese Type 091 struggled to meet the same thermal performance standards and sound reduction, as sonar detection is the biggest threat to a submarine's security. The advanced sonar ...

A sonar image shows the intact and cigar-shaped U87 German submarine lying on the seabed ... survey vessel as the images are captured from a device beneath the boat His team have come to know ...