Live Science on MSN12d
Astronomers find hundreds of 'hidden' black holes — and there may be billions or even trillions more
A supermassive black hole surrounded by a torus of gas and dust is depicted in four different wavelengths of light in this ...
Nature17d
Supercontinuum sources
The emergence of convenient sources of broadband light spanning the visible and near-infrared ... which feature wavelength-scale periodic structures. A laser pulse is fired into the fibre, and ...