There is a new standard in town, and it's sort of a big deal. This new standard is the definition of the kilogram, the unit of mass in the SI system—the International System of Units). It replaces the ...

Robyn White is a Newsweek Nature Reporter based in London, UK. Her focus is reporting on wildlife, science and the environment. Robyn joined Newsweek in 2022 having previously worked at environmental ...

Here's a primer on physical considerations for sizing motors and drives. The goal of drive-system engineers is usually pretty straightforward. Specify the smallest motor and drive needed to accelerate ...

I find it odd that some people still express skepticism or outright denial of climate change science. Physicists derived one of the fundamental insights into climate change by 1850: Air holds 7% more ...

All trainees entering the Radiation Oncology Physics Residency program are required to satisfy the CAMPEP standards for program admission. That is, individuals must have acquired a strong foundation ...

NASA scientists are reshaping the basic understanding of a type of wave in space known as a kinetic Alfvén wave. When NASA's Magnetospheric Multiscale -- or MMS -- mission was launched, the scientists ...