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Submarine
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Charles Darwin publishes on the origin of the species
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Aeroplane
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Electricity
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Sonar
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Finding the Titanic Wreck
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Rocket
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Alexander Flemmings Discovery of Penicilin as a natural antibiotic
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Alfred Wegener publishes the origin of continents and oceans
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HMAS Sydney II
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Period: to
Atomic Energy
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Helicopter
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Howard Florey and Ernst chain purify penicillin
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Computer
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An Ocean Trench
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James Watson and Francis Crick publish molecular structure of nucleic acids: A structure for deoxyribose nucleic acid (DNA)
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A mid-ocean ridge
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Satellite
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Space Flights
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Watson, Crick, and Wilkens recieve the Nobel prize for their work on the model of DNA
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Period: to
Moon Landing
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First Robot Landing on Mars