Schell-model beams, a class of partially coherent light characterised by a specific spatial coherence function, have attracted significant attention in recent years due to their robust propagation ...

This article follows the Direct Message methodology, designed to cut through the noise and reveal the deeper truths behind the stories we live. We live in a time when data is both overabundant and ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. In my first post about topic models, I discussed what topic models are, how they ...