The Korea Research Institute of Standards and Science (KRISS) announced on the 4th that it has developed a length measurement system with precision at the limit allowed by quantum physics. With ...

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 ...

Yuri Ralchenko led one of the oldest teams at the National Institute for Standards and Technology. The fate of some ...

Any exam preparation is a rigorous process which requires an overall understanding of the concepts and basics discussed in a chapter. If we talk about the Class 11 Physics, then one thing to be ...

Physicists probed why lead's nucleus reacts unlike others when hit by electrons and found that instead of clarity, the puzzle ...

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 ...

Incorporated into every aspect of everyday life, the neutron is a fundamental particle of nature. Now, a research collaboration led by Los Alamos National Laboratory has improved the precision of free ...

A single equation can describe how fluids flow across a wide range of length scales, from ocean currents to swimming algae. The difference merely lies in the Reynolds number, says Julia Yeomans. As ...

Tour de force Illustration of the atomic arrangement within a single lanthanide-doped nanocrystal used by Schuck’s team. Each lanthanide ion can emit light. (Courtesy: Andrew Mueller/Columbia ...