Le 11/03/2011 01:24, J. Forster a écrit :
One Watt per square meter:
<http://www.ecd.bnl.gov/steve/watt.html>
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The ‘scandal’ of the kilogram
First, it’s vital for us as consumers to be confident about what we buy –
we don’t want to be ripped off at the checkout with an underweight bag
of carrots or, more seriously, be given the wrong dose during
radiotherapy for cancer treatment.
Hmm. At the moment I do know that the mass of my carrots can be compared
in a very legal way to a lump of platinum held at the BIPM. I suspect
that I will be long dead before lawyers are comparing carrots with planks?
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-John
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