What if you could change the wattage or color temperature without replacing a bulb? The Home Depot’s new EcoSmart Universal ...

For many, strolling around neighborhoods to look at the holiday light displays is an annual tradition that brings twinkling cheer. But with the rise of LED lights in the last decade, some of the joy ...

Once upon a time, buying a lightbulb meant choosing an incandescent one of between 25 and 100 watts, depending on how bright you wanted the light to be and the fixture you were putting it in. You ...

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I’ve also treated the topic of LED illumination more conceptually; take, for example, this piece from more than seven years ago that analyzed LED and CFL light bulbs as potential successors to ...

The DeWalt 20V Max LED Work Light is one of the most popular options, having earned over 11,500 five-star ratings on Amazon, ...

Wood carvers will sometimes use chainsaws to “rough in,” but finishing requires more subtle sculpting tools. In lighting, as with other crafts, no single tool is perfect for everything. Coarse or ...

They’re consistently popular with the readers, which is admittedly part of my (and EDN’s) motivation to continue doing them. But I personally also find them fascinating; inevitably I come across at ...

The function of an LED is to emit light when the device is forward biased within its operating range, and it’s known by most people that an LED can also operate as a photodiode. Perhaps some readers ...

Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...