Hydraulic systems use incompressible fluid to transfer force — they power everything from car brakes to excavators.
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The printing press allowed books to be reproduced more efficiently.
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The QWERTY keyboard layout was designed partly to slow typists down and prevent typewriter jams.
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The electric light bulb is often attributed to Edison, but at least 22 inventors worked on incandescent lights before him.
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An astronaut's suit for spacewalk (EVA) costs approximately $12 million.
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Approximately 80% of information stored on computers is in English.
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The calculator simplified mathematical computation.
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The compass improved navigation at sea.
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The solar panel converts sunlight into electricity.
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