Official Kilogram Losing Mass: but non-creation science cant be wrong, can they?
It turns out that nobody can say for sure, at least not in a way that won’t change ever so slightly over time. The official kilogram — a cylinder cast 118 years ago from platinum and iridium and known as the International Prototype Kilogram or “Le Gran K” — has been losing mass, about 50 micrograms at last check. The change is occurring despite careful storage at a facility near Paris.
That’s not so good for a standard the world depends on to define mass.
Now, two U.S. professors — a physicist and mathematician — say it’s time to define the kilogram in a new and more elegant way that will be the same today, tomorrow and 118 years from now. They’ve launched a campaign aimed at redefining the kilogram as the mass of a very large — but precisely-specified — number of carbon-12 atoms.