The sewing machine sped up clothing production.
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The jet engine made high-speed air travel possible.
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Liquid crystal displays (LCDs) work by using electric fields to orient liquid crystal molecules that block or transmit light.
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The average Google search uses about 0.3 watt-hours of electricity.
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The Eiffel Tower grows about 6 inches taller in summer due to thermal expansion of metal.
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The internet connects billions of people instantly.
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The typewriter improved document production efficiency.
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Maglev trains use superconducting magnets to levitate above the track, eliminating friction and enabling 600+ km/h speeds.
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The development of laparoscopic surgery reduced recovery time.
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