Most accurate measurement of Boltzmann constant yet
Scientists at the UK's National Physical Laboratory (NPL) have performed the most accurate measurement yet of the Boltzmann constant.
General Physics
Jul 10, 2013
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News tagged with metrologia
Redefining the kilogram
New research, published by the National Physical Laboratory (NPL), takes a significant step towards changing the international definition of the kilogram – which is currently based on a lump of platinum-iridium kept ...
General Physics
Feb 20, 2012
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How the kilogram has put on weight
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
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