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Chemistry World
October 31, 2011
Simon Hadlington |
The kilogram is dead! Long live the kilogram! Delegates at the 24th Conference on Weights and Measures, held in France on 21 October, were persuaded that the existing definitions of these units were outdated and needed to be dragged into the 21st century.   |
IEEE Spectrum
May 2012
Rachel Courtland |
The Kilogram, Reinvented Two difficult experiments are poised to remake one of the world's most fundamental units |
Wired
August 21, 2007
Charlie Emrich |
Aussie Researchers Cut, Grind, and Polish the Perfect Kilogram Materials scientists create the roundest object in world weighing one perfect kilogram... International System of Units Standards: Meter... Second... Ampere... Kelvin... etc. |
Chemistry World
February 15, 2012
Simon Hadlington |
Consistent Avogadro number a step nearer Chemical metrologists in Canada have made the most accurate measurement of silicon's molecular weight to date in a bid to derive a consistent and internationally acceptable figure for the Avogadro constant. |
Chemistry World
January 7, 2013
James Urquhart |
Kilogram ready to slim down for the new year UK scientists have developed a cleaning technique that could solve a long-standing puzzle in the field of metrology -- how to return the standard kilogram, against which all others are measured, to its original mass. |
