CNN New Day April 7, 2014 11:54:00
Mirror, gathering the sound so it can detect a much fainter signal. further down in the water. >> 20,000 feet. >> this is a lot better bet. >> moving on to what are the reasons pointing us to believe that these pings are likely the wreckage. >> first of all, the frequency does not occur in nature. this is not something that a whale can make the sound. >> water can play tricks on you. >> it is noise si under water. i would take this against the argument of the validity of the pings oovps. there are two separate events. obviously the plane can't be in two different places. this shows us there ca...