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300 BC. They sailed the Mediterranean sea to the Atlantic
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3200 BC. The Egypitans had the first recorded sea voyage.
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John Murray was the first to note the existence of the Mid-Atlantic Ridge and of oceanic trenches.
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1200 BC. Made sea maps to navigate
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He designs his very own draft of a scuba designs. His designs later foreshadow diving suits.
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Robert Boyle studied the physical properties of compressed gas. The laws he concluded provided the foundation used in underwater exploration which determines changes in gas volume because of increasing and decreasing in pressure.
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John Harrison was a self educated man who invented the first clock that operated out at sea.
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In 1715 John Lethbridge consructs his Diving Engine in Devon.
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Captain James Cook mapped the pacific.
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Benjamin Franklin published the first map of the gulf stream.
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The confederate submarine, Hunley, sank the Fereral warship U.S.S.Housatonic during the Civil War. This was our first sinking of an enemies ship by submarine.
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1872-1876. First real voyage to investigate "everything about the sea". They took water samples and temperature measurements, recorded currents and barometric pressures and collected bottom samples. Brought back data that eventually filled 50 large volumes.
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1893-98. Louis Boutan takes the very first underwater photograph using a wet-plate camera.
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Sonar is a technique that uses sound propagation (normally underwater) to navigate at sea.
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The Titanic set sail April 10, 1912 and sunk in the Atlantic after hitting an iceberg on April 14,1912.
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Lusitania is sunken by German submarine.
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They explored the South Atlantic ocean from the equatorial region to Antartica. They studied water temperature, took samples and studied marine life.
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Was the first to reach 35,800 in the Marina Trench
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Was invented by the U.S. Department of Defense and Ivan Getting. This allows scientists to discover sunken ships and know their location
