Sigma has announced a second-generation version of its full-frame 35mm F1.2 'Art' lens, after teasing that it was coming ...

We've tested Hasselblad's latest medium format camera, which goes all-in on HDR. We found that it's a surprisingly ...

On April 1, 2025, Fidelity appointed Cait Dourney as a co-portfolio manager on its suite of target-date products, including Fidelity Freedom Index. Dourney became a listed manager of the collective ...

When a ray of light is incident at normal incidence, (at right angles), to the surface between two optical materials, the ray travels in a straight line. When the ray is incident at any other angle, ...

ISLAMABAD: Pakistan reportedly requires financing of USD 3.5 billion to replace 88 million inefficient fans— 50 million in rural households and 38 million in urban households—under various financing ...

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...

The Biden Promise Tracker monitors the 99 most important campaign promises of President Joseph R. Biden, elected in November 2020. Biden said his top priorities were fighting the coronavirus, ...

Powerful mix of both trader and investor packs with timely expert advice. Advisory Alert: It has come to our attention that certain individuals are representing themselves as affiliates of ...

Powerful mix of both trader and investor packs with timely expert advice. Advisory Alert: It has come to our attention that certain individuals are representing themselves as affiliates of ...

Robert Hardman, a Daily Mail columnist who has written a selection of royal biographies including Charles III: The Inside Story and Queen: The Life of Elizabeth II, has spoken exclusively to the ...

Had Britain's wartime leader truly stood alone in his opposition to appeasement, or did he rewrite history to portray himself in a better light? By Professor John Charmley. The rows were explosive, ...

Abstract: We propose a novel refractive index (RI) sensor that is formed by a micro-ring resonator with a microstructure slot to enhance the sensitivity. The sensor achieves a refractive index ...