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 ...

When you start browsing to find the best smart bulbs for your house, you’ll see that most of them are LED bulbs. To a newcomer, terms like “LED” can get a little confusing. Sure, LED bulbs are ...

A breakdown of what smart light bulbs do, how they work, and how to choose the right one Smart light bulbs are LED bulbs that can be controlled using a smartphone, tablet, or smart home automation ...

How do light bulbs work? A light bulb contains a thin wire filament. When a current flows through this filament, the metal heats up and then glows, giving out light. As the inside of the light bulb is ...

How does a fiddly little piece of wire encased in a glass bubble manage to illuminate so well? James May on how the humble lightbulb does its job, more by accident than design. The lightbulb has been ...

Home lighting solutions have evolved to the point where you no longer need to roll off the couch to flip a switch. These days, you just have to press a button on your phone to light up the room. If ...