Most light bulbs have three factors to consider: watts, lumens, and Kelvins. While watts and lumens will indicate how much ...

which sells Philips-brand light bulbs, told me. Cold white might have its uses—interrogations, morgues—but the home is not one of them. If you live in an urban area, you can see what I mean by ...

Light bulbs are one of those circuit elements we pretend are perfect, but they aren’t. Tungsten filaments have a low resistance when cold, which causes a bulb to draw a lot of current when it ...