This paper describes the eccentricity, amplitude, phase shift, angular momentum, polarization, radial path, and orbital ...

A light pulse redirects electrons in an ultrathin layered material, creating a stable new state without heat or damage and ...

The roots of Russia's invasion of Ukraine go back decades and run deep. The current conflict is more than one country fighting to take over another; it is — in the words of one U.S. official — a shift ...