How remotely operated vehicles might help find the Titan

A remote marine rescue is challenging in the best conditions, let alone at the depths OceanGate’s Titan submersible was travelling, with five people on board, to view the wreck of the Titanic. During its dive under the North Atlantic Ocean on Sunday morning, the 6.7 metre-long submersible lost contact with the Polar Prince, the research vessel that ferried the Titan some 640 kilometres from St. John’s to the approximate location above the wreck site. The remains of the Titanic rest on the ocean floor some 3,800 metres down. If the Titan plunged that low, it’s far too deep for most…