CNN CNN Newsroom April 15, 2014 14:59:00
Bluefin because this autonomous vehicle is used to working in deepths several miles belet surface. the bluefin 21 can dive about 2 1/2 miles but flight 370's wreckable in the indian ocean may be deeper than that. it takes about two hours for the bluefin to reach the bottom, where it can operate for another 16 hours. it scans the ocean floor as if it's mowing a lawn, aye icing side-scan sonar, which identifies objects that stand out from the seabed. when it's working with the side scanners it is not actually taking pictures, right, it's measuring sound? >> it's actually converting sound to elec...