/u/Velteau's posts
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Before it became associated with the period of a 133 Caesium atom, what was the consensus as to how long a second was?
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According to some estimates, Europe and China reached populations of about 100-150m in the High Middle Ages, respectively. If the Plague caused about the same number of deaths in both regions, why is the latter's current population nearly double the former's?
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The 14th century French cardinal Pierre d'Ailly once prophesised that the year 1789 would mark the coming of the Antichrist. Did anyone in France that year make the connection between d'Ailly's prophecy and the beginning of the French Revolution?
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How did New World explorers get ships to the Pacific Ocean? Did they have to build them entirely in the Pacific coast?
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Did the people in the sinosphere in the 16th century (China, Japan, Korea, etc.) have diseases that could potentially annihilate native Americans, were they to colonise the Americas?
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