The first hard drive, released in 1956, weighed over a ton and stored only 5 megabytes.
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The jet engine made high-speed air travel possible.
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In the 1960s, Project Orion explored the possibility of nuclear-powered spacecraft.
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Steel was a rare luxury material in the ancient world — mass production became possible only in the 19th century.
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The microwave oven was invented accidentally when Percy Spencer noticed a radar magnetron melted a chocolate bar in his pocket.
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Kevlar, used in bulletproof vests, was invented accidentally by Stephanie Kwolek at DuPont in 1965.
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The wind turbine converts wind into electrical energy.
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Blockchain technology underlies cryptocurrencies but is also used for supply chain tracking and secure voting systems.
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The invention of dialysis allows patients with kidney failure to survive.
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