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Metrology, the branch of science dedicated to measurement, has created better and better systems of measurement for the kilogram based on fundamental principles rather than arbitrary chunks of metal ...

— Sandra Bullock and George Clooney are astronauts in "Gravity," director Alfonso Cuarón's new film coming Oct. 4.

St George Mining’s latest gravity survey program has unveiled four compelling targets with coincident high gravity and prominent magnetic features at its Destiny project, about 100km south-west of the ...