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Mechanical Calculators
Mechanical Calculators: History Up to the end of the 17th century, among the most prominent polymaths and encyclopedic scientists of their time—Leonardo da Vinci, Wilhelm...
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Katherine Johnson
Who was Katherine Johnson? Katherine Johnson was an American mathematician known for her work in orbital mechanics at NASA. Her work was essential for the...
Hewlett Packard 9100A: Everything You Need To Know
Three Facts about Hewlett Packard 9100A The Hewlett Packard 9100A is considered the earliest documented use of the term “personal computer.” Despite this, the 9100A was...
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William Pratt: Complete Biography, History, and Inventions
William Pratt was a mathematician and a member of the active circle of London’s Mathematical teachers. William Pratt invented a pocket calculator that was...
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What is Magnus Carlsen’s IQ? Is He the Smartest Person Ever?
Magnus Carlsen, who is only 32 years old, has been the world’s #1 chess player since 2011. He’s known globally as a chess prodigy,...
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These Countries Have a Surprising Number of Time Zones
What countries have a surprising number of time zones? I’ll admit I often don’t think of the time zones of a given country when...
Discover the 6 Oldest Companies in History
Why do some companies fail while others succeed? The answers to this question are varied, with some blaming circumstances and others blaming poor management....
William Briggs – Complete Biography, History, and Inventions
When we think of the arithmetical calculator, we think of a small, rectangular, electronic device that can fit in a person’s hand. However, this...
These Actual Jobs From History Sound Crazy Today
The world has always been full of odd jobs and different ways to make a living. While millions of people might consider their work...
25 One-Hit Wonders and Where They Are Now
One-hit wonders, you’ve gotta love them. It is always a bit sad to see them drift off after the big initial splash. Rather than...
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Who was Johann Strasser Born Johann Georg Strasser, Johann Strasser was a remarkable Austrian technician, clockmaker, and mechanic who created several complex music machines, and...