The numbers you see on the box don't always work out in real life. LED bulbs do last longer, but those claims about five to 10 years are estimates based on internal testing -- and companies are always ...

That means inside every LED bulb are tiny circuit components -- and their soldered contact points -- which are far more vulnerable than the diode itself. The Lighting Research Center of the Rensselaer ...

LED bulbs come with a deal: Pay a little more than you would for incandescents, and in return you get years of use, lower energy bills and even smart features. And for the most part, they deliver-- ...