How does a black hole generate a magnetic field and how can it be measured and visualized? Alan CroftSeattle, Washington As black holes feed, they pull material into a disk around them. The material ...

Recently the MagQuest competition on improving the measuring of the Earth’s magnetic field announced that the contestants in the final phase have now moved on to launching their satellites within the ...

Quantum diamond magnetometers could enable resilient navigation without GPS, while supporting defense, security, and future ...

Geophysicists have modeled how Earth’s magnetic field could form even when its core was fully liquid. By removing the effects of viscosity in their simulation, they revealed a self-sustaining dynamo ...