In my so-far nearly 30 years of writing for EDN, I’ve learned a lot about my ever-evolving audience (i.e., you), at least two aspects of which are directly relevant to this particular writeup: Or take ...

LED bulbs are more efficient than older incandescent or fluorescent bulbs, and can save you significant money. But why do ...

Q: My left headlight is dim on my 2013 Ford F-150. I’m wondering if a new bulb might fix it? I was also thinking about installing new lenses, as they are cloudy and have been polished once without ...

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 ...

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 ...

Learn how LED headlight beam patterns affect visibility, what causes glare, and how to choose bulbs that deliver clear, ...