They’re in your phone, TV, car headlights, remote controls—even traffic lights. LEDs (Light Emitting Diodes) are everywhere.

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? Ever since NASA began studying light-emitting diodes (LED) in 2000 to help ...

There’s a brand new display technology in town, and it’s called mini-LED. Should it be in your next television set? Is it ever going to make its way to your mobile phone? Why, exactly, is it superior ...