Inventions
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19 November 2008
Ammonia
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The invention: The first successful method for converting nitrogen from the atmosphere and combining it with hydrogen to synthesize amm...
3 comments:
17 November 2008
Alkaline storage battery
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The invention: The nickel-iron alkaline battery was a lightweight, inexpensive portable power source for vehicles with electric motors. ...
5 comments:
15 November 2008
Airplane
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The invention: The first heavier-than-air craft to fly, the airplane revolutionized transportation and symbolized the technological adv...
11 comments:
14 November 2008
Abortion pill
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The invention: RU-486 was the first commercially available drug that prevented fertilized eggs from implanting the...
2 comments:
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