Robot exploring France's deepest shipwreck finds cannons, ceramics

Deep below the surface of the Mediterranean Sea off the French coast, the pincer of a remotely guided underwater robot delicately closes around a centuries-old jug lying near a 16th-century shipwreck. "You have to be extremely precise so as not to damage the site, so as not to stir up sediment," says navy officer Sebastien, who cannot give his second name for security reasons. …