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Ugnė
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30,000 Years of Inventions

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30,000 Years of Inventions

Felix
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Dec 16, 2014 01:33AM Add a comment
30,000 Years of Inventions

Nicholas
Nicholas is finished
Yay finished reading about inventions. So fascinating too; what would we do without ATMs? Invented in 1967 in the US, didn't work and then successfully introduced in London. Fun fact: the PIN number was supposed to be 6 digits, but the inventors wife said, "That's just too long to remember." I agree lady, I agree.
Jul 11, 2014 09:13PM Add a comment
30,000 Years of Inventions

Nicholas
Nicholas is on page 430 of 528
Oct 09, 2013 10:43PM Add a comment
30,000 Years of Inventions

Nicholas
Nicholas is on page 162 of 528
Finally in the Common Era around 1714 and the invention of the thermometer. This is where the inventing gets good!
Jul 24, 2013 10:49PM Add a comment
30,000 Years of Inventions

Nicholas
Nicholas is on page 14 of 528
"One of the most fascinating aspects of studying history of invention is discovering how one invention led to others."
Jul 18, 2013 06:52PM Add a comment
30,000 Years of Inventions