I'm suspicious of wording in the LA Times article versus your reply; you said what I wanted to hear.
From first paragraph of LA Times article :
In the more than a century since 'perfect' platinum-iridium cylinders were first used as the world's kilogram standards, their weights (emphasized by Amendment 10) have mysteriously fluctuated.From your reply:
That's why they aren't measuring the weight (emphasized by Amendment10) of the masses.Are physics flunkys at the LA Times screwing up the report?
Also, were the original masses calibrated in the same laboratory and then sent to remote locations? And were today's test masses also calibrated in the original laboratory, or were they calibrated at the locations where the original mass references wound up? Other possibilities?
Hey, if they can't get basic facts about politicians correct, I'll give them ZERO credibility about something like physics! :D
Here's a good article I found: