The film demonstrates an experiment using an apparatus to observe the behavior of electrons in a uniform magnetic field. It explains how electrons are accelerated by an electron gun and then deflected ...

“Force fields” have long captured our imagination — the invisible shields of science-fiction lore that protect starships and superheroes from harm. But in the world of scientific discovery, force ...

Strong laser fields were supposed to be the cleanest way to watch electrons move, yet the latest experiments show that the vacuum itself can quietly reshape what those fields do. By flooding matter ...