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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 ...

dateJan 06, 2013 in General Physics
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Seeing in color at the nanoscale

If nanoscience were television, we'd be in the 1950s. Although scientists can make and manipulate nanoscale objects with increasingly awesome control, they are limited to black-and-white imagery for examining ...

dateDec 06, 2012 in Nanophysics
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The self-improvement of lithium-ion batteries

(Phys.org)—The search for clean and green energy in the 21st century requires a better and more efficient battery technology. The key to attaining that goal may lie in designing and building batteries not ...

dateDec 03, 2012 in Nanomaterials
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