It has been used as a standard unit of weight measurement since the time of the French revolution, based on the precise mass of a lump of metal held in Paris. But the kilogram may be about to be given ...

If scientists had sacred objects, this would be one of them: a single, closely guarded 137-year-old cylinder of metal, housed in a vault outside of Paris. It is a prototype that precisely defines a ...

Class 11 Physics Chapter wise revision notes for Chapter 2 Units and Measurement (Part I) are available here. These notes are based on latest CBSE Class 11 Physics syllabus and NCERT textbook for ...

IMUs (inertial measurement units) have expanded from their traditional military usage and are now finding wider application in industrial segments. With their more compact form factors, lower power ...

Using a state-of-the-art device for measuring mass, researchers have made their most precise determination yet of Planck's constant, an important value in science that will help to redefine the ...

Torque is a word freely bandied about by car manufacturers, advertisers and car reviewers, and it's every bit as important as the other headline figures you'll come across, such as horsepower, mpg and ...

More than one correlation coefficient can be computed between two variables when the data can be organized into subsets determined by one or more grouping factors. This paper discusses the ...