[USMA:45580] RE: defining the kilogram from the joule

The important words are “in principal”. In practice, the BIPM are trying to redefine the kilogram in a manner that does not use a specific artifact, but before they do so, they need to demonstrate that they can achieve a better precision that is currently obtained using the artifact.May I sugg

[USMA:45579] RE: defining the kilogram from the joule

Simon: There is work afoot to dissociate the kilogram from an artifact. I have some information on that, but I'm not sure it's available for public distribution yet. However, Jim Frysinger can probably tell you what the approach is without having to look it up. Bill _ Bill Potts W

[USMA:45578] defining the kilogram from the joule

Why is the kilogram a base unit in SI instead of the joule? The kilogram is the only base unit still defined from an artifact. Since the artifact can change with time and the kilogram has been know to do so, wouldn't it be better if a different unit were to replace the kilogram as a base unit?

[USMA:45577] Re: corrupted metric data

On Monday 10 August 2009 12:34:52 Simon_Meng wrote: > So how did 120 km/h become 119 km/h in the article? It seems Anne Huang, > author of the article must have converted the 120 km to 74.56 miles, > rounded it to 74 miles and the reconverted it back and rounded it to 119 > km. There are two way

[USMA:45576] Re: corrupted metric data

Subject: [USMA:45574] corrupted metric data To: "U.S. Metric Association" Date: Monday, August 10, 2009, 12:34 PM Please reference this article on Yahoo news: http://news.yahoo.com/s/ap/20090810/ap_on_re_as/as_asia_storm Then notic

[USMA:45575] Re: corrupted metric data

ces a kilometer away where their values are accurate. --- On Mon, 8/10/09, Simon_Meng wrote: From: Simon_Meng Subject: [USMA:45574] corrupted metric data To: "U.S. Metric Association" Date: Monday, August 10, 2009, 12:34 PM Please reference this article on Yahoo news:   http:

[USMA:45574] corrupted metric data

Please reference this article on Yahoo news: http://news.yahoo.com/s/ap/20090810/ap_on_re_as/as_asia_storm Then notice this sentence: Morakot, meaning emerald in Thai, slammed into China's Fujian province Sunday afternoon carrying heavy rain and winds of 74 miles (119 kilometers) per