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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on Weights and Measures, held in France on 21 October, were persuaded that the existing definitions of these units were outdated and needed to be dragged into the 21st century.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 |
Chemistry World
July 11, 2013
Daniel Johnson |
A sound idea to redefine temperature UK scientists want to redefine temperature using the Boltzmann constant, changing the way in which it has been calculated for over 50 years. |
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. |
Chemistry World
September 2011 |
The new SI Ahead of the 24th General conference on weights and measures in October, Peter Atkins explains the benefits of the new Systeme international d' unites. |
Chemistry World
July 21, 2015
Simon Hadlington |
Refining Avogadro's number on way to new kilo A new milestone has been passed on the way to redefining the kilogram in terms of Planck's constant by 2018. |
Chemistry World
November 27, 2006
Simon Hadlington |
Getting the Dope on a Single Atom of Dopant Scientists have successfully probed the electronic and quantum mechanical properties of a single atom of dopant in a silicon transistor. The research could provide important information necessary for the development of quantum computers. |
Chemistry World
December 15, 2010
Hayley Birch |
New technique probes electron properties of individual atoms A new, low voltage electron microscopy technique allows scientists to discriminate not just between atoms of different elements but between atoms of the same element in different electronic states. |
Wired
October 2001
Wil McCarthy |
Ultimate Alchemy Research into artificial atoms could lead to one startling endpoint: programmable matter that changes its makeup at the flip of a switch... |
Chemistry World
September 6, 2007
Tom Westgate |
Probe Maps Individual Atoms in Semiconductor Troublesome clusters of dopant atoms have been 'seen' for the first time. Researchers have drawn up the first 3D maps of the individual atoms in a semiconductor. |
