Ukraine’s military intelligence (HUR) struck a Russian patrol boat in the Black Sea near the occupied town of Zaliznyi Port in Kherson Oblast, killing five crew members, HUR reported on Aug. 21.

To understand the improvement, the team analyzed how electrons and holes recombine under different pumping conditions. Auger recombination—where energy from a recombining electron-hole pair is given ...

A team of researchers have found breakthrough technology that instantly identifies chemicals using a portable chip-based laser device.