Temperature Layer News Today

They are all boston strong and we salute them. Im anderson cooper. Good night. I hope you were with us during the last hour and you were inspired as watching adrianne hasletdavis story. She is truly boston strong. One thing she wanted to get across to everyone watching is something her grandmother said to her as a kid it is okay to not be okay sometimes. But adrien is doing okay. And she has a long road ahead of her as do many of the survivors but we will root for her along the way. If you are j...

That when this ping starts radiating out it hits the temperature layer and then it can come back down. so youve got these things. so now youre dragging your pinger through here, the tpl, and from here to here, maybe seven minutes. from here to here, maybe its five minutes. >> i see. >> okay. >> okay. >> so you may not necessarily be -- i got a lot of lines going up there. >> you do. youre going crazy. i dont know what to do with you. let me ask you about, how does the fifth ping, the fifth ping ...

Square miles. >> right. youve got about 24 -- well, about 18 square miles this way. >> right. >> between these pings. the first ping they got was a two-hour journey here. so for two hours they were within somehow within that -- that reach of the pinger. these others are what im going to call outliers. >> why is there such a discrepancy, if you will, in the duration of the time? you think this is the most reliable, the two hours plus. >> without a doubt. >> then what happened here? >> what happen...

>> to the panel, can you guys explain. why are there four different locations for where they picked up pings if there is only two black boxes and angus houston saying i think they have been getting pings from a flight data recorder. >> they have been talking about it just from one, which makes sense. in long range navigation systems a lot of times the system will bounce back from clouds. it is hitting a temperature layer, a boundary layer inside the ocean which allows the ping to reflect off and...

Meters maximum. in the class we were told it could only pick up sounds a mile away from the black box. are you reassessing of how the sounds travel underwater at this point because you are detecting things that are much further apart. >> again, you heard the commodore say the bottom is a silt bottom. that absorbs sound. funny things happen depending on temperature, temperature layer answer so on and so forth. the characteristics of the water, the characteristics of the ocean floor all come in to...