A hands-on physics experiment demonstrates how a basic self-braking pulley works, explaining the forces and friction that allow it to stop itself without extra mechanisms.

In this Oct. 20, 2025, photo, tiny ball bearings surround a larger central bearing during the Fluid Particles experiment, ...

Tennessee executed Harold Wayne Nichols by lethal injection Thursday in Nashville for the 1988 rape and murder of Karen Pulley, a 20-year-old student at Chattanooga State University. Nichols, 64, had ...

Create a Physics World account to get access to all available digital issues of the monthly magazine. Your Physics World ...

In physics, breakthroughs are rare. Experiments are slow, expensive and often end up refining, rather than rewriting, our understanding of the universe. But what if the only constraint on scientific ...

We rounded up the best lab-grown diamonds from retailers with stellar reputations and a stunning array of jewelry to pick from. To make our selections, we tapped into our fashion team’s jewelry ...

Quantum spin liquids are exotic states of matter in which spins (i.e., the intrinsic angular momentum of electrons) do not settle into an ordered pattern and continue to fluctuate, even at extremely ...

Quantum physics is the study of matter and energy at its most fundamental level. A central tenet of quantum physics is that energy comes in indivisible packets called quanta. Quanta behave very ...

Condensed-matter physics is the study of substances in their solid state. This includes the investigation of both crystalline solids in which the atoms are positioned on a repeating three-dimensional ...

Educational aid Global Medical Physics: A Guide for International Collaboration explores the increasing role of medical physicists in international collaborations. The book comes in paperback, ...

Astera Labs, Inc. designs, manufactures, and sells semiconductor-based connectivity solutions for cloud and AI infrastructure. It offers an intelligent connectivity platform, comprised of ...