When an intense laser pulse hits a stationary electron, it performs a trembling motion at the frequency of the light field.

Researchers from Skoltech, the University of Potsdam, and the Massachusetts Institute of Technology have discovered a ...

This paper describes the eccentricity, amplitude, phase shift, angular momentum, polarization, radial path, and orbital ...

She’s not alone. We’re living through the great busyness delusion — a collective hallucination where everyone thinks they’re incredibly busy, but most people are just incredibly scattered. We’ve ...

Physics can feel inscrutable to students; this lesson helps them understand a graphing problem by analyzing their own ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

On October 16, 2025, the World Socialist Web Site (WSWS) hosted a webinar examining the historical relationship between Nazism, big business and the working class—a discussion with urgent contemporary ...