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Buzz Aldrin
Cameron shows his explorative side in 'Deepsea Challenge 3D'
Cameron shows his explorative side in 'Deepsea Challenge 3D'

In early 2012, James Cameron was bolted into the cramped pilot's chamber of a torpedo-shaped submersible he had designed and hoped to ride in, alone, to the deepest point in the world's oceans, a place no human had traveled to in 50 years. For the director of "Avatar," it was his most technologically audacious project yet. But as he sank to the bottom of the western Pacific on a test dive, Cameron's life support system came loose from its mount and landed in his lap. On another test, his communication system failed — his ability to signal his crew above the sea lost. Cameron said he coped with the danger by running through checklists of safety procedures in...