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For question about societies that have not yet reached the industrial revolution. It covers a large period of time.
3
votes
How long would it take to dismantle a city by hand?
Frame challenge
Assume that the results are being taken away by canal barge for
disposal.
What makes the disposal site a better place to store all the rubble? It seems as though they are returning o …
44
votes
How long would it take to dismantle a city by hand?
Reinforced concrete!
Let's just consider one aspect of what they have to remove - reinforced concrete.
Recently the block I live in was fitted with a sprinkler system. This involved cutting 2" holes i …
8
votes
Reactions to a Young Time Traveller
It depends exactly where she turns up and in what country. I'm British so I'll imagine Britain.
Initial reactions will be surprise and suspicion. She will almost immediately be labelled a 'foreigne …
3
votes
What can a bunch of American kids teach ancient Egyptians?
When modern-day adult explorers visit isolated tribes and try to fit in they are pretty much useless. Okay so the tribespeople are impressed by the intricate technology but more as ornamentation than …