This persnickety number determines the strength of magnetic fields. It figures in everything from motors and generators to audio speakers. Oh, and without it we’d live in eternal darkness.

The transverse Thomson effect is observed for the first time: current, heat, and magnetic fields generate controlled cooling ...

Electrons in a magnetic field can display striking behaviors, from the formation of discrete energy levels to the quantum ...

Newly released images of the supermassive black hole at the heart of the galaxy M87 show that the plasma that swirls around ...

WashU physicists build quantum sensors in boron nitride sheets to study magnetism and stress under extreme pressure.

The iron-rich core at the center of our planet has been a crucial part of Earth's evolution. The core not only powers the ...

Multi-year Event Horizon Telescope observations capture evolving polarization patterns around the supermassive black hole and reveal radio emission from the jet base.

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This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Zoltan Fodor, Professor of Physics, Penn State When ...