Placidia
  • Member for 5 years, 5 months
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Can a low-tech sailing ship tell how deep the water is?
5 votes

In the early nineties, I did an analysis for an aerial surveillance company that wanted to proved to the Canadian Navy that you could accurately measure the depth of the Beaufort Sea from a helicopter ...

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How recently could a god be born?
1 votes

It seems that you are really asking if new polytheistic gods can be introduced and credibly believed after the introduction of monotheistic religions -- i.e. is there real progress in religion as ...

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Why would an army train living soldiers when manufacturing robots is easier
0 votes

A lot of good answers here, but one thing to consider is the purpose of war itself. This is to inflict a sufficiently grave defeat upon the enemy as to completely demoralize him and motivate his ...

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How would you design a dragon-like creature so it could sew?
1 votes

Sewing has the same requirements as many human crafts. It's a lot like carpentry, actually, only with lesser strength requirements --- measure twice, cut once. A race of dragons that could not sew ...

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Could a classical era or middle ages civilization advance in shipbuilding and colonize multiple distant continents?
Accepted answer
10 votes

The Vikings definitely colonized Vineland (L'Ance aux meadows). The archaeological evidence is clear. The problem for the Vikings was that Nfld has a difficult climate and poor agricultural land. Even ...

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What possible scientific reasons could there be for a vampire to only be killable via wooden stake to the heart?
5 votes

When I first read Bram Stoker's Dracula, I was amazed at the highly rational, scientific way that the English heroes and their friend, Dr. Van Helsing, coped with the object of a Medieval Catholic ...

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How far back in time would Maths be understandable to a modern mathematician?
0 votes

A first year university course in Calculus and Linear Algebra basically gets you to the early 19th century - with Calculus in the 18th and row reduction for LinAlg in the 19th. But the notation is ...

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