The CBSE Class 10 Science Syllabus for the academic session 2026-27 has been released, offering students a comprehensive ...

Refractometers are standard equipment in many laboratories – but the physics behind the measurement, the influence of light ...

Oli joined the Latest News team in 2021, taking an interest in economics, world news, and articles that build from his study of history. He also dabbles in sports writing, joining the coverage of the ...

When you use DPReview links to buy products, the site may earn a commission. Image: 7artisans Earlier this year at CP+, ...

Yongnuo has listed its new 50F1.8R DA, a compact APS-C autofocus prime lens for R-mount cameras, and it looks like a tidy ...

VANCOUVER, BC, May 26, 2026 /CNW/ – Eminent Gold Corp. (TSXV: EMNT) (OTCQB: EMGDF) (FSE: 7AB) (“Eminent” or the “Company”) is ...

The Ksana 35mm f/2 ASPH is, Thypoch says, “a classic reborn with 1980s-inspired optics, solid brass craftsmanship, and fast f ...

The first full-frame autofocus zoom developed by a Chinese optical brand, in a constant f/2.8 internal-zoom design ...

Optical dispersion occurs when the refractive index of a material changes with the wavelength of incoming light. This variation causes different colors to move at different speeds in transparent media ...

Abstract: Much effort has been devoted to the study of glasses that contain the chalcogen elements (sulfur, selenium and tellurium) for photonics' applications out to MIR wavelengths. In this paper we ...

Conventional elastic metasurfaces for energy focusing are limited by chromatic aberration, preventing broadband operation. Here, we propose an elastic metasurface with achromatic focusing across an ...

Scientists have demonstrated that negative refraction can be achieved using atomic arrays -- without the need for artificially manufactured metamaterials. Scientists have long sought to control light ...