CNN CNN Newsroom April 5, 2014 15:53:00
The black boxes and were talking about that particularly today because a chinese ship believes it heard the pulse of what could be connected to a black box to flight 370 and perhaps even a chinese plane says it may have seen debris. all of that is being investigated, but for now. >> right. >> help us understand how this works and how it can be deteched and whats the future of it? >> black boxes are absolutely crucial because every time a pilot flips a switch or turns a knob in an aircraft that i...
Source: archive.org