Radio telescopes uncover 'invisible' gas around record-shattering cosmic explosion

Astronomers using the U.S. National Science Foundation National Radio Astronomy Observatory (NSF NRAO) instruments, the U.S.
IEEE

Photonic Crystal Surface Emitting Lasers Across the Visible Spectrum Based on Colloidal Quantum Dots

Abstract: Combining integrated optical platforms with solution processable semiconductor materials offers a clear path towards miniaturized and robust light sources, including lasers. Semiconducting ...