Beams of light that can be guided into corkscrew-like shapes called optical vortices are used today in a range of ...

Red or discolored spots on the penis may have many different causes, most of which are highly treatable. It’s best for people to contact their doctor if spots on the penis do not go away ...

As a contact lens-wearer for nearly two decades, I’ve learned that purchasing contacts online is both cheaper and more convenient than buying them at the optometrist’s office. Having purchased ...

In this guide, I've assembled my picks of the best portrait lenses for Nikon cameras, no matter whether you shoot with a Nikon DSLR, Z-mount mirrorless, or have gone for a full-frame (FX) sensor or ...

This stretches the image of the spiral galaxy behind it into a ring. NASA/ESA/CSA James Webb Everything indicates that this rare gravitational lens was formed under very unusual conditions. Probably, ...

Canon has announced the RF 20mm F1.4 L VCM ultra-wide prime as part of its L-series "hybrid" prime lenses designed for both stills and video work. Recent Videos The 20mm F1.4 shares many ...

It might be genetic or it might be the immune system’s overreaction to something the body comes in contact with. Atopic dermatitis can be itchy and painful. Skin becomes dry, red, and cracked.

Britons have been left starstruck after a mysterious spinning blueish-white spiral was spotted in the sky on Monday night. Some posted the stunning images on social media, joking that they ...

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 ...

Don't let your contact lenses ruin your next vacation -- follow ... Don't do this: Put contacts in when you have red eyes. Do this instead: Always bring a pair of glasses in case you ...

To see if $50 could bridge this gap, I recently bought an anamorphic lens for my smartphone ... explanation of the science, camera maker Red has a guide here). An oft-touted benefit is they ...

Dialer apps and contacts apps are a bit of a niche market. In most cases, the stock dialer and contacts apps are more than good enough. Maybe you want something a little different, though.