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Top 100 Famous Inventions and Greatest Ideas of All Time
47. Concrete Concrete-like structures began to appear for the first time in northern Jordan and southern Syria regions around 6500 B.C.E. Comprised of rough composite mixed with fluid cement, concrete
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88 New Inventions and Ideas that Made Millions of Dollars for Inventors
teeth when he was at a college football game in 1994. White also realized that it was common for Southern Illinois University dental students to make teeth-themed pranks for each other. Since Bailey only