the bathysphere |
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bill nye: why we explore |
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how deep is the ocean? (video 1) |
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HOW DEEP IS THE OCEAN? (VIDEO 2) |
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freediving |
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the science of water pressure |
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sea bed hunting on one breath |
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explosive decompression |
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henry's law |
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archimedes' principle 1 |
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archimedes' principle 2 |
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Alvin: updating a submersible |
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rov hercules spots a weird jelly |
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Seamagine submersibles |
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searching for whales in an HOV |
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discovery of hydrothermal vents |
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getting help from an auv |
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side scan sonar 1 |
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side scan sonar 2 |
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personal submersibles |
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titanic real story |
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how big is the ocean? |
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one ocean |