The optics of Silicon Valley’s proximity to the president were not lost on Trump’s critics, who have warned about the growing threat of a tech oligarchy since his re-election in November.

Optical physics is the study of the fundamental properties of light and its interaction with matter. This includes classical optical phenomena such as reflection, refraction, diffraction and ...

For the first time, a team of researchers from the Fraunhofer Institute for Applied Optics and Precision Engineering IOF and the University of New Mexico have succeeded in cooling silica glass by ...