The Trump administration’s assault on elite East Coast schools, which the president says must be punished for indoctrinating students with leftist ideology and allowing antisemitism to flourish ...

The idea of a particle that races faster than light has long fascinated physicists. Known as the tachyon, it was originally dreamed up to help untangle paradoxes in quantum theory and relativity.

HAWC caught the monster cosmic rays The High‑Altitude Water Cherenkov Observatory (HAWC) in Mexico uses 300 steel tanks filled with clear water and instrumented with four photomultiplier tubes apiece.

In this paper, microwave oscillation in which an electromagnetic wave and a continuous cylindrical relativistic electron beam (REB) with no magnetic field are in Cherenkov synchronism was studied.

This paper describes a new design of a relativistic Cherenkov oscillator with strong modulation of the e-beam current at the input of two-sectioned slow-wave structure, as well as numerical and ...