I told them to keep the darn thing clean! Nobody listens...
David Haberstich
Sent from my Verizon Wireless BlackBerry
-----Original Message-----
From: "Glenn A. Walsh" <[log in to unmask]>
Sender: Museum discussion list <[log in to unmask]>
Date: Mon, 7 Jan 2013 13:51:12
To: <[log in to unmask]>
Reply-To: Museum discussion list <[log in to unmask]>
Subject: Official Kilogram Standard Contaminated: Experiments Could be Affected
The international standard, a cylinder-shaped hunk of metal that defines the fundamental unit of mass, has gained tens of micrograms of mass from surface contamination, according to a new study.
As a result, each country that has one of these standard masses has a slightly different definition of the kilogram, which could throw off science experiments that require very precise weight measurements.
http://spacewatchtower.blogspot.com/2013/01/official-kilogram-standard-contaminated.html
gaw
Glenn A. Walsh, Project Director,
Friends of the Zeiss < http://friendsofthezeiss.org >
Electronic Mail - < [log in to unmask] >
SpaceWatchtower Blog: < http://spacewatchtower.blogspot.com/ >
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