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Every World War II Memorial in the National Parks
Where can you find a World War II memorial in the national parks? As we approach the 80th anniversary of the Invasion of Normandy,...
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Centigraph Adding Machine Explained – Everything You Need To Know
Humans are innovators. We’re always looking for a smarter, faster, more efficient way to do things. And if we can build a device to...
The Largest Cell Tower Companies In The World, And What They Do
Key Facts There are about 150,000 cell towers in North America. The lifespan of a tower depends on whether it is new or old. The former...
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Ivan Sutherland – Complete Biography, History, and Inventions
Ivan Sutherland is an American engineer and scientist who invented various new types of technology, including the Sketchpad, the Sword of Damocles (a unique...
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The History of Leonardo da Vinci’s Automata
Leonardo da Vinci’s Automata: History Leonardo da Vinci was a painter, engineer, sculptor, scientist, and architect who embodied the High Renaissance. While known for his...
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5 Civil War Mustaches That Are Still in Style Today
The American Civil War was notable for many reasons, but perhaps the most striking thing is the amount of facial hair military men were...
Netflix: History, Founding, and Controversies
Key Points: Netflix began as a subscription-based service to offer DVD rentals by mail, and obtained 239,000 subscribers and a library of 3,100 DVDs...
The Church-Turing Thesis Explained: What it is, and When it Was Formed
Key Facts According to the Church-Turing thesis, a calculation method may only be considered systematic if it can be performed by a Turing machine. Although no...
Compact Disc Explained – Everything You Need To Know
Compact Disc History The first workable digital compact disc device, the precursor on now-ubiquitous CD/DVDs, was invented in the late 1960s by the American physicist...
Millionaire Calculator Machine Explained – Everything You Need To Know
Long before the hand-held calculators, there was the millionaire calculator machine—a large, clunky, and expensive mechanical machine that performed direct multiplications with only a...
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Airplanes are the fastest means of transport today, and they have advanced technologically since the Wright brothers’ maiden flight. Modern commercial airplanes move at...