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Flying Cow Intestines

In World War I, the Germans used cow guts to construct their deadly Zeppelins.
Publish Date: Topic: Military + EspionageMilitary & EspionageNova
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During World War I, the Germans bombed London from giant airships, called Zeppelins, filled with hydrogen. But, how did they contain all that hydrogen gas? They created enormous balloons made of cow intestines. In fact, it took a quarter of a million cows to make just one Zeppelin.

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