On Thursday 03 March 2005 20:10, Pierre Abbat wrote:
....
> If I had written the article, I'd have given the height - all kilograms are
> about 2.2 pounds, but a kilogram of PtIr is smaller than a kilogram of
> water.
The kilogram prototype is a cylinder about 39 mm in diameter and about
39 mm
tall. I'll let you have the fun of calculating the density yourself. Yep,
it's pretty dense.
Jim
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