books.google.co.uk - By the middle of the nineteenth century, as scientists explored the frontiers of polar regions and the atmosphere, the ocean remained silent and inaccessible. The history of how this changed--of how the depths became a scientific passion and a cultural obsession, an engineering challenge and a political...http://books.google.co.uk/books/about/Fathoming_the_Ocean.html?id=_hg8o1HpgQQC&utm_source=gb-gplus-shareFathoming the Ocean