Questions tagged [secrecy]

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68
votes
4answers
12k views

Did ancient peoples ever hide their treasure behind puzzles?

I just saw the film Dora and the Lost City of Gold, in which there is a somewhat meta running commentary over whether so-called "jungle puzzles", intellectual challenges typically requiring explorers ...
32
votes
4answers
10k views

Why were the drawings of Colossus burnt after WW2 and why was its very existence “of course” kept secret?

After VJ Day, suddenly it was all over. Eight of the ten Colossi were dismantled in Bletchley Park. Two went to Eastcote in North London and then to GCHQ at Cheltenham. These last two were dismantled ...
3
votes
0answers
79 views

By when was the Manila galleon well known?

Spain managed to start up the Manila galleon system in the 1560s, linking the Philippines with Mexico. The Spanish crown used its control of non-free labor in New Spain to extract precious metals. On ...