/u/Harachel's posts
To what extent was the general populace in Europe aware of and interested in the events of the US Civil War?
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Thanks to Twitter et al., we can find out about something that has happened almost every minute of the last four or five years. But how far back in history can we identify something that has happened every consecutive day?
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Samuel Pepys wrote on this day in 1669—the 20th anniversary of King Charles I’s execution—that it was “a fast-day for the murder of the late King”. What do we know about the practice of fasting in someone’s honour in England in this period.
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What happens to a light wave when it propagates from an area where the electromagnetic filed is weak (e.g. deep space) to one where it is relatively strong (e.g. near the earth)? Does this have an effect on wavelength or amplitude?
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Pouring boiling water into a cup seems to make a different sound than pouring cold water into the same cup. Why is this the case?
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If glacial ice largely melts, is there any chance other forms of water retention could pick up some of the slack and mitigate sea-level rise?
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As far as we can tell, does walking straight up a tree trunk feel the same for an ant as walking along flat ground?
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