Many people use their electronic devices, including phones, tablets, and computers, for extended periods. Companies now sell screen protectors that reportedly block blue light and benefit eye health.

LED lights have taken over modern homes and workplaces. They're energy efficient, affordable, and marketed as the future of ...

Light-emitting diodes (LEDs) are so ubiquitous that it's easy to forget just how much society relies on these underappreciated technological wonders. Yet, the history of the LED goes back further than ...

The blue screen that stressed computer users for more than three decades is giving way to a black one. By Sopan Deb For millennials, blue can be a significant color. It is associated with clues left ...