Taking the first steps of what would be a major historical advance in the science of measurement, the U.S. National Institute of Standards and Technology is participating in a worldwide effort to ...

October 18, 2010 marked the 50th anniversary of the International System of Units, also known as the SI System. Resolution 12 of the 11th meeting of the CGPM (1960) established the system as the world ...

SI Units: In our daily lives, we use measurements constantly, whether it is checking the temperature, weighing vegetables, or measuring the distance between two places. But imagine how confusing it ...

SI Unit: Every measurement we make, be it for length, time, temperature, or electric current, needs a standard unit so that results are understood universally. To maintain uniformity worldwide, ...

Deluged by responses to his request for your favourite units, Robert P Crease discovers that non-SI units persist, and are sometimes even popular, among the physics community Setting the standard ...

Avinash K. Srivastava, Secretary, Department of Consumer Affairs along with D.K. Aswal and Dr. T.D. Senguttuvan represented India in the meeting. Photo Credit: Press Information Bureau. New Delhi: ...

I disagree with your suggestion to promote the radian to the International System of Units (SI units) to address the confusion over dimensionless numbers (Nature 548, 135; 2017). On the contrary, this ...

A flaw in the system leaves physicists grappling with dimensionless units. Water is a precious resource. So protest erupted when, last September, India’s Supreme Court ordered Karnataka state to ...

In addition to other scientific units, the kilogram also is now defined by a natural constant. This is made possible by single crystals grown from highly enriched silicon-28. In addition to Ampere, ...