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
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The small kerosene lamps that light millions of homes in developing countries have a dark side: black carbon – fine particles of soot released into the atmosphere.
Environment
Dec 10, 2012
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Marine zoning in the Pacific Ocean, in combination with other measures, could significantly improve numbers of heavily overfished bigeye tuna and improve local economies, a fish modelling study has found.
Ecology
Nov 14, 2012
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(Phys.org)—The impending redefinition of the kilogram presents a weighty dilemma. Methods to be used to realize the redefined kilogram are based on the Planck constant and the Avogadro constant respectively and realize ...
General Physics
Aug 28, 2012
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(Phys.org) -- University of Oregon chemists have identified a catalyst that could dramatically reduce the amount of waste made in the production of methyl methacrylate, a monomer used in the large-scale manufacturing of lightweight, ...
Materials Science
Aug 21, 2012
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NASA scientists used software from Siemens to help create the new Mars rover Curiosity, which is currently on its way to Mars. The 900-kilogram rover is the largest Mars vehicle to date. It will reach the red planet on August ...
Space Exploration
Jul 30, 2012
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NASA says an experimental heat shield for future spacecraft landings has successfully survived a test launch that brought it through the earth's atmosphere at speeds of up to 7,600 mph (12,230 kph).
Space Exploration
Jul 23, 2012
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The world's first industrial plant producing biofuels from seaweed will be built in the northeastern Brazilian state of Pernambuco in late 2013, the official in charge of the project said Thursday.
Energy & Green Tech
Jul 19, 2012
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It looks like a cutlet, it's juicy and fibrous like a cutlet, and it even chews with the consistency of a real cutlet -- but the ingredients are 100 percent vegetable. Researchers are using a new method to prepare a meat ...
Other
Mar 6, 2012
12
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During the week of February 6-10, 2012, some extremely weighty matters were in progress at NIST’s non-magnetic facility, where PML researchers hosted an international gravimeter shoot-out with potentially momentous consequences ...
General Physics
Feb 28, 2012
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