Since the earliest versions of indoor LED light bulbs were developed, their designers have faced a variety of technical challenges. These include AC-to-DC power conversion, thermal design/heat-sinking ...

Heat, in particular, can cause these components to quickly break, so installing an LED bulb in a hot corner of your home or in a deep-set socket with poor ventilation can cause the lights to go out ...

LEDs are supposed to last for years, along with delivering lower energy use, and even smart features like connecting with Alexa. They're a major leap forward versus incandescent bulbs, but they don't ...

Occasionally you run across a product that you just know is simply too good to be true. You might not know why, but you’ve got a hunch that what the bombastic phrasing on the package is telling you ...

The color temperature of a light, measured in kelvins, is its most noticeable characteristic. A candle, at 1900 K, appears orange. Daylight, at 5500 K, is much whiter and bluer. A 5500-K bulb, however ...

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 ...

Plug-and-play LED replacements for halogen headlight bulbs are a popular car mod. LEDs often look brighter than incandescent lights, but "looks brighter" and "illuminates better" are not the same ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Megan Wollerton Following a new round of testing, we’ve added the GE Cync Full ...

Potential difference in series circuits Try the experiment online Resistors in series Test your knowledge Resistance ® close resistance (R)How difficult it is for current to flow. increases when ...