What Are the 10 Greatest Inventions of Our Time? - Scientific American
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Teabags appear in top ten inventions alongside the clock | Daily Mail Online
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The 25 Greatest Inventions of All Time | Inc.com
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Britons: iPhone eighth most important invention — ever • The Register
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Top 100 Famous Inventions and Greatest Ideas of All Time | Cad Crowd
Student Question | What Are the Five Greatest Inventions of All Time? - The New York Times
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Inventions 2016: The Best of This Year | Time
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