It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
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Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
The first alarm clock could only ring at 4 a.m.
120
The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
2
The electric chair was invented by a dentist!
122
In the early 1960's, Porsche commercially manufactured farm tractors.
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