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February 26, 2005
Kilogram Poses Weighty Problem
Wired News: “Like its six basic-units-of-measurement siblings before it — including the meter — the kilogram may be moving toward a new definition based on a universal constant. The kilogram has long been understood to equal the mass of its prototype.”
Posted by Oleg Ivrii at February 26, 2005 10:46 PM
Comments
A very good point. It's unclear if the principal cylinder's mass is increasing or decreasing, scientists said, because it is the object used to measure others.
Posted by: Oleg Ivrii at February 26, 2005 10:49 PM