ocean with manipulator arms, can pick up all sorts of debris and a black box. this one, recovered the black box for airline france 447. the search area in the indian ocean is much wider and more uncertain. brian todd, cnn, largo, maryland. all right. so what we get from brian's piece is it is an impressive piece of equipment, this bluefin, but the task is just as great as the capabilities of the equipment. because it has never been mapped, this part of the ocean floor, before. we have to expect some delays and problems. we have to take a break right now. the bottom of the indian ocean is a mystery , it is unmapped. we'll explain it coming up. [ ship horn blows ] no, no, no! stop! humans. one day we're coming up with the theory of relativity,