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density experiment 
Peral, First Electric Submarine, 1889
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NYC, Electric Torchlight Procession, 1884
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Archimedes, Ancient Greek Polymath
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William Morton at Bellevue Hospital, 1870
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Alexander Graham Bell Demonstrating Telephone, 1877
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James Ferguson, Solar Eclipse Predictor, 1750
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Mark Twain, American Author and Humorist
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Lémery Demonstrating Chemistry in Paris
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Roger Bacon Conducting Experiment
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Wilhelm Roentgen, First Demonstration of X-Rays, 1896
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Wilhelm Roentgen, German Physicist
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Baking Soda & Vinegar Reaction
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Pasteur Institute, Rabies Vaccine Research
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Pasteur Institute, Anthrax Vaccine Research
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Evangelista Torricelli, Italian Mathematician
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James Ferguson,  Solar Eclipse Predictor, 1750
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Guillaume Amontons, French Physicist and Inventor
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Evangelista Torricelli, Italian Mathematician
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Bromine Gas
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Web of Spider on Marijuana
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Spider Web, Computer Artwork
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Spider Web, Computer Artwork
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Spider Web, Computer Artwork
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Web of Spider on Chloral Hydrate
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Web of Spider on Benzedrine
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