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Inventions And Technology - Facts for Kids
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Random Facts About Inventions And Technology For Kids
History & Development
The word “robot” was first introduced in 1920 by Czech playwright Karel Čapek in his play “R.U.R.” — it comes from the Czech word “robota” which means forced labor or hard work!
How It Works
GPS satellites orbit Earth at about 12,550 miles (20,200 km) up in the sky, and the system is built around a “constellation” of 24 main satellites. (Earth’s tallest mountain, Mount Everest, is about 5.5 miles high — so that’s like stacking nearly 2,280 Everests!
History & Development
The world’s first digital electronic watch, called the Pulsar, was invented in 1972 by Hamilton Watch Company, costing as much as a car back then!
History & Development
The first basic steam engine was invented by Hero of Alexandria around 60 AD in ancient Egypt — it was called an aeolipile and spun around using steam power!