Photoplethysmography (PPG) is an optical sensing technique that measures blood volume changes and underpins devices ranging ...

A new mechanism steers diodes made of a single enantiomer to emit light of right- and left-handed polarizations ...

We got our hands on a ton of different sunglasses specifically designed for skiing and snowboarding and gave them a test run.

Ray-Ban Meta smart glasses almost never go on sale — but today, Amazon has multiple styles marked down by 25%.

WASHINGTON — The Board of Directors of Optica, Advancing Optics and Photonics Worldwide, recently elected 121 members from 23 countries to the Society’s 2026 Fellow Class. Optica Fellows are selected ...

Hollywood has always had a knack for transforming necessities into spectacular fashion statements, and the newest trend spreading across celebrity circles is unfolding right now. Paparazzi ...

Women’s sunglasses are both a functional accessory and a fashion statement, combining eye protection with style. They come in ...

Samsung may have only just introduced its Galaxy XR headset, but it is clearly not stopping there. The company’s long rumoured XR smart glasses, known internally as Haean, are back in the leak cycle, ...

Samsung's smart glasses are said to feature transition lenses that change colour according to the light levels, while there's not going to be a mobile connection on board. The model number also ...