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

Light-emitting diodes are front and center for many of our digital experiences. Every modern phone and tablet you look at uses LEDs in its display. It’s worth knowing how these work. In short, LEDs ...

Trickle-down tech is just about how everything works these days. First the high-end rides get it, and over time it migrates to even the cheaper cars. Remember ABS? It started in the exotics, and now ...

We are in the midst of a lighting revolution. The past decade has seen LED light usage soar in the U.S. as traditional incandescent bulbs went into the trash bin. In 2010, incandescents were 68% of ...

Noushin Nasiri does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...