The windshield wiper was invented by Mary Anderson in 1903 after observing streetcar drivers struggling to see through rain and sleet.
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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 development of laparoscopic surgery reduced recovery time.
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The wind turbine converts wind into electrical energy.
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The '@' symbol was chosen for email addresses because it was the least-used character on keyboards at the time.
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The Statue of Liberty was engineered with an internal iron framework.
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The Three Gorges Dam is one of the largest hydroelectric dams in the world.
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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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The average Google search uses about 0.3 watt-hours of electricity.
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