Mapping the Titanic debris field

The bow section of the Titanic resting on the Atlantic Ocean bottom. A pair of self-propelled, undersea robots scoured the 3-by-5-mile debris field, snapping more than 100,000 hi-resolution side-scan sonar images that a computer lated stitched together to create the most comprehensive map yet of the disaster's remains. The bow section roughly corresponds to the highlighted portion of the photo below. The stern section, which suffered far more damage during the two-and-a-half-mile plunge to the ocean bottom, lies in pieces scattered half a mile away from the bow. Researchers from RMS Titanic Inc., the wreck's legal custodian, the Woods Hole Oceanographic Institution in...