Prime Video has officially released the first batch of images from Cross Season 2, which will premiere its first three episodes on February 11. The show was one of the biggest hits for Prime Video at ...

Over the past decades, engineers have introduced numerous technologies that rely on light and its underlying characteristics. These include photonic and quantum systems that could advance imaging, ...

A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...

Pulse measurement equipment is now easier to use than ever before, with many devices offering easy-to-align solutions and plug-and-play computer operation, reports Neil Savage. Ultrafast lasers, which ...

Prime Video, the Everything Store of streaming services, is starting the year off in typically eclectic fashion. Within a few days of each other, Prime is putting up second seasons of The Night ...

If you can tolerate ads and smaller content libraries, you'll enjoy the many excellent movies and TV shows from these top, no-cost video streaming services. My PCMag career began in 2013 as an intern.

If you have trouble breathing, your doctor may recommend a few tests to figure out what’s causing it. Some measure how much air you breathe in or out or how much oxygen is going from your lungs to the ...