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The invention of the compass took place at the start of time however was not used for maritime navigation until much time later.
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Submarine built by Robert Fulton, the inventor of the steamboat.
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Used to increase and maintain the depth of navigation channels. Helps to insure the safety of boats and ships passage.
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Reginald Fessenden lead the first acoustic exploration of the sea floor using an electric oscillator.
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The deepest ocean dive took place during the year of 1960 and ocean laboratories develop.
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The deep sea drilling program is a cooperative project that involves wide worldly universities and several other research institutions that starts with sampling the earths crust beneath the deep blue sea.
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National Geographic explorer James Cameron productively travels to the bottom of the deepest, darkest known point in the ocean sea
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