On 16 May, the first International Day of Light celebrated the role of light and related technologies in science, art, education and sustainable development. Here we round up some of what occurred the day
A look at the use of optical mirrors in space telescopes, and a round-up of the commercial offerings available for every application
Greg Blackman looks at novel sensing and imaging devices based on quantum science, and finds that the technology is closer to commercialisation than first expected
Closely guarded process secrets are enabling optical coatings to serve higher laser powers and new operational regimes, finds Andy Extance