If you’ve ever suffered from dry, irritated eyes or struggled to fall asleep after a long day of staring at your computer, you may have been tempted to purchase a pair of blue-light-blocking ...

The Flickr set of the build shows [James] installing a compact fluorescent bulb in the body of the scanner. Aluminum foil reflects the light ... green, and blue LEDs to adjust the color temperature?

The need for a diagnostic scan tool can make interpreting a check engine light difficult. If you don't have access to one of ...

The best OBD-II scanners were once expensive luxuries that were exclusive to mechanics and other professionals. Those days are long gone, and we recommend that every driver has one to help ...

On Windows, use the Devices and Printers menu, and on Mac, use the Printers & Scanners settings. It's obviously hard to generalise about how to set up your printer, but there will most likely be ...

The scanner connects to your car's computer system and can read its internal codes to diagnose mechanical and electronic ills. That check-engine light could be related to something as simple as ...

A profitable sideline for photography shops was providing scans of film, and there were a series of high-end scanners aimed at that market. [Kai Kaufman] shares the experience of making one of ...

According to the researchers, from Manchester University, this blue light from devices is not the main problem. They exposed mice to different light settings to study the impact. The controversial ...

The best blue light glasses effectively filter blue light, reduce glare, and provide comfort for all-day wear. Jaylyn Pruitt has been working with Dotdash Meredith since May 2019 and is currently ...

Another company-sponsored study published in the Journal of the American Academy of Dermatology in 2018 found that red- and blue-light therapy could help treat mild to moderate acne. The research ...