From local dimming and HDR brightness to Mini LED, RGB LED, and Dolby Vision 2, we answer reader questions about modern TV picture quality and what display technology matters most in 2026.

Ultraviolet-B (UV-B) semiconductor lasers are highly sought for medical, biotechnology, and precision manufacturing applications; however, previous UV-B laser diodes were limited to pulsed operation ...

Ohio University students have recently gained access to an impressive 21-foot-wide by 12-foot-tall LED Wall. This acquisition ...

These are the best motion-sensing lights for indoor use. Good indoor lighting ensures your home is safe for someone who is ...

According to new Statistics Canada data, the use of energy-efficient light bulbs has declined over the past several years. The data, which tracks household lighting use from 2017 to 2023, shows ...

This project demonstrates a low-cost intelligent traffic signal system using Arduino and ultrasonic sensors to reduce congestion caused by fixed-timer traffic lights. Four HC-SR04 sensors detect ...

Apple in macOS Tahoe 26.2 introduced Edge Light, a clever new feature that turns your Mac's display into a virtual ring light during video calls. Instead of fumbling with external lighting equipment, ...

Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...

LED face masks offer a host of transformative skin benefits—they can reduce redness, treat acne, and minimize the look of fine lines, wrinkles, and discoloration. Even better, they don’t require a lot ...

How to implement NEC protocol logic on a configurable mixed-signal IC. Discover ways to eliminate external components and reduce coding complexity. Configure up to nine custom commands using the ...

Former UNO men's basketball players Cedquavious "Dae Dae" Hunter has discussed his role in a gambling probe that resulted in he and two other players receiving lifetime bans from the NCAA. Hunter was ...

In theory, the mirrors could be used to shine light on giant solar farms on the planet's surface, thereby extending the amount of time they can create electricity. However, the resulting light would ...