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the barometer was invented to tell mariners when big storms were coming (navigation)
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During the Revolutionary war, the first submarine was used for warfare. (warfare/military)
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By using dredging equipment, the H.M.S discovered sea life at 14,400 feet. (discovery/research)
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The U.S Fisheries Commission steamer, Albatross, is the first ship built to serve as a research vessel (navigation/research)
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The Titanic sinks after hitting an iceberg and killing 1,500 people with it. (major event)
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the echo sounder was used to determine the depth of water by transmitting sound waves into water. (navigation)
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The first underwater equipment which allowed a person to breathe in and out of a mouthpiece. There was a regulator that connects to tanks of compressed air which one can wear. (invention)
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The H.M.S Challenger bounced sound waves off the ocean bottom and found the deepest point at 35,856 feet under (disovery/research)
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A satellite named TOPEX/Poseidon was launched into space to give us a better measure and insights of the ocean (research/invention)
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An international scientific team announces that there is a plan of mapping all the ocean floors by 2030 (research)
