The first computer bug was a literal bug — Grace Hopper's team found a moth trapped in a Harvard Mark II relay in 1947.
Fact #4351
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A fuel cell converts chemical energy directly into electricity with higher efficiency than combustion engines.
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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 first programmable digital computer was Z3, built by German engineer Konrad Zuse in 1941.
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The telegraph enabled rapid long-distance messaging.
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The invention of the hypodermic syringe enabled effective drug delivery.
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The automobile transformed transportation.
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Satellites can read license plates from orbit under ideal conditions.
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Bluetooth is named after Harald Bluetooth, a 10th-century Danish king — the logo combines his initials in runic letters.
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