A Kilo of Confusion

[black_robed_one]

Apparently the weight used as the reference standard for a kilogram is getting lighter:

http://query.nytimes.com/gst/fullpage.html?sec=technology&res=9C04E4D91731F934A15756C0A9659C8B63

I wonder, seeing as it's a Platimum-Iridium alloy, if perhaps some proportion of the Platimum might be comprised of Platimum 193, which would decay with a half life of

Comments

[the_eoin]

I am very very confused...