Spin-polarized electron beams are important for fundamental physics, but they could only be generated using DC electron guns. Now, a radiofrequency electron gun for ...

Yang–Mills theory is the basis of the standard model of particle physics. The Yang–Mills Millennium Prize problem, to show that the theory is mathematically well defined and that it has the mass gap ...

Correspondence to Florian Giesche, Division of Preventive and Sports Medicine, Institute of Occupational, Social and Environmental Medicine, Goethe University Frankfurt, 60590 Frankfurt am Main, ...

Register for the 2026 January Series! Visit the January Series homepage on the day of the event. Click the "Watch Now" button at the top of the page. Or, if you signed up to receive email reminders, ...