Using a state-of-the-art Theta-probe XPS machine experts at Newcastle University, UK, have shown the original kilogram is likely to be tens of micrograms heavier than it was when the first standard was set in 1875. And they ...
General Physics
Jan 6, 2013
14
0
The guardians of the world's most important standards of weights and measures have turned to the weird universe of quantum physics to try to resolve a dilemma.
General Physics
Nov 6, 2011
8
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Leading scientists from around the world are meeting in Britain from Thursday to consider a proposal that could eventually see Greenwich Mean Time relegated to a footnote in history.
Other
Nov 3, 2011
12
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(PhysOrg.com)—The General Conference on Weights and Measures (CGPM) at its most recent meeting in Sčvres, France, has voted unanimously on a proposal to consider changes to at least some of the seven basic units (second, ...
Scientists said Monday they were moving closer to coming up with a non-physical definition of the kilo after discovering the metal artefact used as the international standard had shed a little weight.
General Physics
Jan 24, 2011
22
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