"Opposites charges attract; like charges repel" is a long-held fundamental principle of physics that you might have heard at school, but your teacher may have been wrong. Researchers from the ...

This puzzle is known as the problem of time, and it remains one of the most persistent obstacles to a unified theory of ...

The goal of drive-system engineers is usually pretty straightforward. Specify the smallest motor and drive needed to accelerate and run a load at a required rate, and determine the braking forces ...

Alex Small is a professor of physics who writes fiction to see if he can. He doesn’t study particle physics, but he does work with three-dimensional beings exhibiting hints of intelligence. In the ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Learn how basic physics can be used to estimate solar power output with simple, logical calculations. This video explains solar irradiance, energy conversion, and efficiency in a clear, intuitive ...