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Weird Ways People Used to Communicate, Part II: Smoke Signals and Bottled Messages

Ridiculous History

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How to Communicate Effectively Across the Great Wall

Polybius invented a method that essentially was like a precursor to the telegraph. It actually goes back to a ancient chinese times when, you know, along the great wall, there were these guard towers where these signal fires essentially were. This was against the germans, if i'm not mistakean the japanese. Well, correctno, exactly.

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