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  • #603958
    pcoz
    Member

    The bar tenurah in shabbos transalates mercury as kesef chai. The reason for this is that quick as in quick silver means alive, not quick.

    For example calcium oxide is quick lime and calcium hydroxide is slaked lime. People used to believe that there was a spirit living in quick lime (hence it was alive) which was killed (slaked) buy the addition of water and hence the exothermic reaction.

    #881952
    ItcheSrulik
    Member

    And Mercury was called “quick silver” in just practically every other language that had a word for it for the same reason.

    #881953
    HaLeiVi
    Participant

    How can I believe what they write about what people used to believe when they get it wrong trying to understand what people today believe?

    #881954
    shmoel
    Member

    Great point, HaLeiVi.

    #881956
    pcoz
    Member

    Unbeleivable

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