Technology Dragging News Today

Its not a very fast way of moving about. and on top of which, you mentioned the robotic device, can dive down just as deep, and basically can go down and search around around. it will cast out a signal and try to see anything like this that would be in the zone. it has to get fairly close to make it work. so the real equation here, again, ashleigh, how close can you get. if it youre close enough, it works. if not close enough, its great technology dragging through the ocean. >> and its that zone...