Samsung now has TVs with Micro RGB, QLED, and OLED displays. Here are the pros and cons of each, informed by our lab testing.

To be more energy efficient, many people have replaced their incandescent lights with light-emitting diode (LED) bulbs. However, those currently on the market emit a lot of blue light, which has been ...

When I was 14, I saved up money from my first web design job to trick out a really nice gaming PC. I outfitted my computer with tons of blue LED fans, and I kept it on at night, right next to my bed.

Perhaps it’s a cliché, but I’ve made health the focus of this new year. I’m hitting the gym, tracking health with my Apple Watch, and experimenting with countering the effects of blue light exposure ...

Thomas Edison may have invented the lightbulb, but he never received the Nobel Prize for it. Isamu Akasaki and Hiroshi Amano at the University of Nagoya, and Shuji Nakamura working at Nichia Chemicals ...