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Perfect Silicon Sphere to Redefine the Kilogram

Posted by CowboyNeal on from the weights-and-measures dept.

MrCreosote writes "The Age reports optical specialists at CSIRO are helping create a new standard for the kilogram, based on a precise number of atoms in a perfect sphere of silicon. This will replace the International Prototype, a lump of metal alloy in a vault in Paris."

2 of 453 comments (clear)

  1. Old news... by Corporate+Troll · · Score: 0, Offtopic

    Not a dupe, but I have seen this at least twice on German TV and that was already quite some time ago.

  2. Re:alternate theories by dapsychous · · Score: 0, Offtopic

    How exactly does one become a duck measurer?
    Are there certifications involved?
    If I told you your duck was too small, would you call me a quack?