The satellite enabled global broadcasting and navigation.
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The U.S. military tested radar systems in classified research programs.
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The Panama Canal uses a system of locks to lift ships.
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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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The internet was originally designed to survive nuclear war.
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Photography was originally called 'sun painting' — the word comes from Greek for 'light writing.'
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Bubble wrap was originally invented as textured wallpaper before finding its packaging purpose.
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The first computer virus, Creeper, spread across ARPANET in 1971 and displayed the message 'I'm the creeper — catch me if you can!'
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Most humans alive today have access to technologies unknown 100 years ago.
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