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 ...

They last much longer, can be dimmed and produce light in a variety of colors. By Arlene Hirst This article is part of our Design special section about making the environment a creative partner in the ...

The answer would be NO or only at negligible levels. Standard LED lights emit very little UV rays (usually less than 1% of total output).

Smart lights can be quite an investment in time, energy, and money. Sure, they’re fun and convenient, but are they worth the cash you have to spend to get started? It’s a tough question, but we’re ...

LEDs changed how homes stay bright, but raised new questions. Efficiency, cost, and performance all play into a choice most people make without thinking twice.