CNN CNN Newsroom April 16, 2014 19:03:00
Like taking pictures with sound. kind of. >> exactly. how sonar worked in the incredible depths that we cannot imagine. your devices are being used in the search how does sonar work? >> sonar comes in all shapes and siss. this is a 2125. side scan sonar is a different type. but the fundamental principles are all the same. going to emit sound, bounce off of the sea floor and it will interpret it in temples of an image. >> they have had trouble so far going into the water with these unmanned vehicles trying to take the sonar down and see the images. how difficult are the conditions? >> it's incr...
Source: archive.org