The first transatlantic telegraph cable was laid in 1858 — it allowed a message to cross in minutes instead of weeks.
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The Apollo guidance computer had less power than a modern calculator.
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Gyroscopes maintain their orientation in space and are used in navigation systems for aircraft, ships, and spacecraft.
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The telegraph enabled rapid long-distance messaging.
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The original name for the search engine Google was 'BackRub.'
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Iceland runs almost entirely on geothermal and hydroelectric energy — it is one of the greenest countries on Earth.
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The GPS system provides global positioning information.
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The first domain name ever registered was symbolics.com, in 1985.
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The elevator made tall buildings more practical.
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