A vast and evolving anomaly in Earth’s magnetic field, situated above South America and the southern Atlantic Ocean, ...

The average Hackaday reader likely knows, at least in the academic sense, what a magnetic field looks like ... produce an approximation of what the field lines would look like on its electronic ...

Five years ago, the EHT released the first-ever photo of a supermassive black ... But the discovery of the magnetic-field lines offers a major clue about the behavior of supermassive black holes ...