Posted on 02/14/2011 7:01:11 AM PST by SeekAndFind
-——What is the purity of the cocain based on?-——
the purity is “standard” grade : )
The correct torque spec is always, “just before the bolt breaks”.
I can see that you both get my drift....
... which are much more accurate than distance measurements by direct length comparison. In practice, length is measured most accurately optically. For this reason, they abandoned the length standard and defined the meter by a fixed value of the speed of light, in vacuo. That's why the kilogram is the only standard artifact left.
Of course, you could make some atomic isotope the mass standard, but then you would have to count trillions OF trillions of them to high accuracy, so this would amount to an artifact standard anyway.
You just hook up a counter to your molecular beam!
601866643691146779106108
601866643691146779106109
601866643691146779106110...
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