Exclusive: Tottenham Hotspur are alongside West Ham United and Crystal Palace in keeping tabs on Lens midfielder Andy Diouf.

Scientists have created a compact spectral singlet lens that turns standard cameras into hyperspectral ones, reducing system ...

Future VR headsets could use a new type of lens inspired by holographic devices. The bilayer bifocal lens relies on external ...

The traditional “spectrometer + lens” setups in hyperspectral cameras involve performance tradeoffs when the system is driven ...

The best contact lenses fit well, are breathable, offer all-day comfort and give you crystal clear vision. In truth, you should completely forget you’re wearing them at all. Our top pick ...

However, Niels Schröter, a physicist at the Max Planck Institute of Microstructure Physics in Halle, Germany who co-led the new research, explains that theoretical work carried out in the 1980s ...

Nottingham Forest were elevated to eighth place in the Premier League after Chris Wood's second-half strike crept beyond Crystal ... a night off after his RC Lens team beat St-Etienne on Saturday.

Chris Wood heaped more misery on a blunt Crystal Palace with the decisive goal in a scrappy 1-0 victory at the City Ground. Despite Eberechi Eze and Eddie Nketiah's best efforts - both hitting the ...

An astro lens needs to offer a wide-angle perspective, not just for capturing as much of the sky as possible, but also for allowing the use of slower shutter speeds without incurring star trails (i.e.

The lens features a bilayer structure made of liquid crystal materials. Each layer responds differently to the applied electric field, splitting incoming light into oppositely polarized beams. Bifocal ...

While there isn't an official ruling on what constitutes a standard zoom, it's generally agreed to cover any lens that roughly covers the range from 30-80mm, often with some extra on either side. The ...