The refrigerator allowed long-term food storage.
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The first computer bug was a literal bug — Grace Hopper's team found a moth trapped in a Harvard Mark II relay in 1947.
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The Voyager probes run on software that can be patched from Earth, over 14 billion miles away.
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Email was invented before the World Wide Web.
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Email is older than the World Wide Web — Ray Tomlinson sent the first email in 1971.
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