They've had a good long run, 134 years, but come January most screw-in incandescent lightbulbs will have been phased out because they use too much energy. There's no need to hoard bulbs.

My electric company, Duke Energy was offering free LED bulbs not too long ago, and I was surprised when I received mine to see how many they sent. As of the time I’m writing this, they are not ...

For one thing, LED bulbs are way more efficient than older types of lighting technology. The Second Law of Thermodynamics dictates that every mechanism (natural or man-made) that transfers energy ...