Deep sea robots will let us find millions of shipwrecks, says man who discovered Titanic

He is the celebrated deep-sea explorer who discovered the Titanic, as well as the German battleship Bismarck and other historic sunken vessels around the world. Now Dr Robert Ballard is pioneering cutting-edge technology – autonomous underwater vehicles that will "revolutionise" the search for more than three million shipwrecks that lie scattered across ocean floors, according to a Unesco estimate. Many will offer new insights into life on board at the time of sinking, hundreds or even thousands of years ago. "We're going to be finding them like crazy," Ballard told the Observer. "It's going to be rapid discovery because of this technology. New chapters of human history are to be read. "All the work I've done in the past in archaeology used vehicles that were connected to a ship.