So if the packaging says the bulb lasts seven years, that means testing showed an average of seven years, and you don't always know the math applied to get that result. Thomas Grable, from the ...

There's a light that never goes out… well, almost never. Since the invention of commercial light bulbs in the late 19th century, one bulb has outshone all others. In 2025, it could enter its 124th ...

Forget LEDs, researchers from the University of Michigan have developed a new type of incandescent light bulb. The device is capable of emitting elliptically polarized light, described as "twisted ...

The best smart switches let you control your lights and any other device in your home with voice controls, or an app. Some are wireless, acting as a convenient and portable switch for your smart ...

If you just want to experiment with varying the brightness levels and colors in a specific room, then almost any bulb with a tolerable app will do just fine. The performance differences between ...

Or perhaps you’d like Google Assistant to create a spontaneous disco. Minus the dry ice fog. Either way, there are countless tech-infused light bulbs out there to play nice with all of your other ...

It’s something we hardly think about—until the electricity bill arrives, that is. But have you ever wondered just how much electricity a light bulb uses every time you brighten up a room? And how much ...