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Correct name of a phenomena?

  1. Oct 10, 2015 #1
    The one where hot liquids freeze quicker than cold liquids under certain conditions.

    Tried to search it but cant recall the name, some African sounding name like Memoba effect.
     
  2. jcsd
  3. Oct 10, 2015 #2

    ShayanJ

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  4. Oct 10, 2015 #3
    Lol, I give myself a mark for being close.

    Thanks for clarifying, admins might want to delete thread now as it served its purpose.

    Apparently what I proposed are shape memory matresses used in hospitals...funny.
     
  5. Oct 11, 2015 #4

    davenn

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    Threads don't get deleted for that
    as you may have noticed, the various sections of the forum are full of 1000's of threads stretching back many years

    They stay so that other people may find the info and also be helped :smile:

    Even I learnt something new ... hadn't heard of that effect before

    Dave
     
  6. Oct 11, 2015 #5

    ShayanJ

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    Just to make this thread instructive for me too, how should I pronounce Mpemba?
     
  7. Oct 11, 2015 #6
    Any way, who's going to know if your wrong?
     
  8. Oct 11, 2015 #7

    ShayanJ

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    I didn't ask whether my pronunciation is right or wrong, I asked how should I pronounce it. Of course its not easy to answer this question in text form, but I'm targeting people who know how to do that. One method is using a word with a known similar pronunciation.
     
  9. Oct 11, 2015 #8

    davenn

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    searching around, the 2 common ways were

    pem ba ( silent M)
    Mem ba ( silent p)

    still trying to find the correct one

    EDIT ok a 3rd variation and hearing the guy say it


    Ma pem ba


    Dave
     
  10. Oct 11, 2015 #9
    aaaah floating ice cubes freed from the surface of the container allowing more ice to form.


    elegant thought experiment explanation, anyone view his math link??

    published???

    good find.
     
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