Polarized lenses are a great option for anyone who spends time outdoors. If you’re working outdoors, especially when doing high-glare activities around water or snow, polarized lenses help reduce ...

A breakthrough design combining a multi-periodic (Pd/Fe/FeO/MgO)4 spin tunnel junction and the coexistence of skyrmions and bimerons has enabled unprecedented control over electron spins. This ...

Refraction is the change in direction of light when it passes from one medium to another. The working of a lens is based on the refraction of light when they pass through it. Lens is a transparent ...

Start your weekly reading with John Riley’s review of the Sigma 200mm f/2 DG OS Sports Lens, a powerful and surprisingly compact choice for wildlife and sports photographers. Learn how to use layers, ...