We’ve seen that Philips’ dimmable 12.5W 800 lm LED bulb emits light in the same spherical pattern we’ve come to expect from incandescent bulbs. How does it do this? First off, let’s refer back to the ...

Confused between A19 and E26 light bulbs? Learn what these numbers mean, how are they different and similar, and how to pick ...

Almost a month ago I started trying to reverse engineer an inexpensive LED color changing light bulb. With your help I’ve mapped out the circuit, and taken control of the bulb. But there’s still a few ...

Incandescent era, RIP. Like it or not, it's time to move on. Traditional incandescent lightbulbs are gone—not banned, precisely, but phased out because the Energy Independence and Security Act (EISA), ...