Using a sphere precludes choosing an integer at all, because of the irrationality of p.
I hope they're going to be exact. No rounding to the nearest billionth!
This silicon sphere effort seems somewhat akin to the original method. Why do they have to make a model at all? If they know the mass of one atom
Good stuff. I'm amazed that they're letting people handle their unit of measure like that. I admit I don't have a model in my head on how easy it is to cause an object to shed an atom, but even little effects like minute static charges could cause atomic bombardment and either chip an atom off or else embed an atom under the surface.
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