CNN CNN Special Report April 7, 2014 06:08:00
On cables if they are going to listen to the i thipinger. >> this is an example of it, how long and wide can it hear? >> about 5 miles. >> that sounds like a lot, but it isnt underwater. so lets just say, if you do get closer and you are over the field of debris, and you are looking for it after you get closer, you go to sonar? >> yes, you will use sonar to map out the field of debris. this is an example of a sonar. the sonar will emit sound itself, instead of the hydro phone, it will emit sound...
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