Do the twist: schematic of the Einstein–de Haas experiment showing the mirror, solenoid and ferromagnetic cylinder. (Courtesy: Jasper Olbrich/CC BY-SA 3.0) Albert Einstein is famous as a theoretical ...
Spin transfer Artist’s impression of an accretion disc surrounding a black hole. (Courtesy: Shutterstock/oorka) Researchers in France have created a new experiment that could improve our understanding ...