If you want to learn more about the silicon-28 sphere as a contendor for the redefinition of the kilogram search for CSIRO, the Australian Commonwealth Scientific and Industrial Research Organization.
From: Kilopascal [kilopas...@cox.net] Sent: Thursday, June 06, 2013 10:06 PM To: U.S. Metric Association Subject: World's Roundest Object! - YouTube Very interesting video on the kilogram. http://www.youtube.com/watch?v=ZMByI4s-D-Y
