X-ray spectra provide sharpest image to date of a rapidly spinning black hole

The X-Ray Imaging and Spectroscopy Mission (XRISM), a joint mission between the Japanese Aerospace Exploration Agency (JAXA) ...
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 ...