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General Chat Thread, Scientists lose faith in the kilogram in General; Scientists 'lose faith' in kilogram - Yahoo! News UK...
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    Scientists lose faith in the kilogram


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    3s-gtech's Avatar
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    It seems Yahoo have been taking lessons from the BBC in accurate, checked news reports. The sample does not contain plutonium - that would be an epically stupid idea, as it's radioactive so it's mass will change over time. Gah.

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    Quote Originally Posted by 3s-gtech View Post
    It seems Yahoo have been taking lessons from the BBC in accurate, checked news reports. The sample does not contain plutonium - that would be an epically stupid idea, as it's radioactive so it's mass will change over time. Gah.
    It does...

    Quote Originally Posted by BIPM
    The international prototype was manufactured in the 1880s of an alloy of 90 % platinum-10 % iridium. Four of the six official copies date from the same period.
    BIPM - international prototype of the kilogram

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    localzuk's Avatar
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    Quote Originally Posted by Greenbeast View Post
    erm, that says Platinum....
    So it does, lol. Maybe I should get my eyes checked. :P

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    doh and now i've deleted my post because i thought you were agreeing with 3s-gtech's 'it seems'

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    For reasons that still remain a mystery the cylinder may have shed around 50 micrograms, the equivalent of a small grain of sand
    So just weigh the cylinder plus a small grain of sand, job done

  7. Thanks to MK-2 from:

    laserblazer (24th January 2011)

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    @localzuk:

    I knew what you meant my friend, pah! these young uns today will have you hung drawn and quartered just for a spelling mistake or slip of the finger on the keyboard hehe!! ;D

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