The laser was invented in 1960 — it now appears in medicine, manufacturing, communications, and consumer electronics.
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Morse code was originally developed for electric telegraphs, not radio.
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The total amount of data created in the last two years exceeds all data created in previous human history.
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The jet engine made high-speed air travel possible.
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The first hard drive, released in 1956, weighed over a ton and stored only 5 megabytes.
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The mechanical clock improved timekeeping accuracy.
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The first emoji was created in 1999 by Japanese designer Shigetaka Kurita for a mobile internet platform.
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An NBA basketball court is exactly 94 feet long and 50 feet wide.
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3D printing (additive manufacturing) was invented in the 1980s — early machines cost hundreds of thousands of dollars.
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