Class 11 Physics Notes for Chapter 2 Units and Measurements (Class 11 Physics NCERT textbook) are available here. This part is the continuation of Part I, the topics covered in this part are: Order of ...

With a dedicated monthly column, Nature Physics draws attention to metrology. And a set of Commentaries in this issue focuses on various aspects of thermometry. Physics is all about observations, ...

CBSE Class 11 Physics notes on Chapter 2, Units and Measurement (Part 3) are available here. Important topics covered in this part are Accuracy, Precision, Errors of ...

Balancing act The two systems of measurement – imperial and metric – are often used together in UK shops. (Courtesy: iStock/Paolo Paradiso) When I was at primary school in the 1960s, measurements were ...

Out with the old — kilogram, that is. Scientists will soon ditch a specialized hunk of metal that defines the mass of a kilogram. Oddly enough, every measurement of mass made anywhere on Earth is tied ...

is a senior reporter who has covered AI, robotics, and more for eight years at The Verge. Update, May 20th, 2019, 10AM ET: This article was originally published in November 2018. As of May 20th, 2019, ...