Mathematicians’ Favorite Shapes Hold the Key to Big Mathematical Mysteries ...

The May issue of Scientific American takes you on a deep-sea mining mission, explores dark comets and examines an invisible ...

We specifically demonstrate a hybrid nonlinear meta-lens composed of a plano-convex linear refractive lens coated with a 400 nm thick nonlinear metasurface membrane. We show that the resulting hybrid ...

\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) A lens has a power of -3.33 dioptres. Calculate the focal length and state what type of lens it is.

At Mobile World Congress 2025, Xiaomi showcased a Modular Optical System (MOS) that magnetically attaches a lens to a custom Xiaomi 15. It's like a Moto Mod, but with a full-fledged, working ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Erin Roberts We will soon update this guide to focus entirely on Canon ...

Eye health company Bausch & Lomb is recalling some of its intraocular lenses over possible safety concerns. The voluntary recall comes after the company “received reports of complications ...

The Even Realities G1 is a pair of augmented reality glasses with a waveguide display that can provide helpful information as you walk around, but it's too unpolished and pricey. AR smart glasses ...

Our lens reviews offer detailed information on sharpness, distortion, bokeh, and all the other important factors that go into making a lens great. Our reviews give you all the information you need ...