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 ...
Philips is already coming out with an improved version of its LED bulb that replaces 60-W incandescents. You know technology is maturing when you start to see second and third-generation products.
A 27-W LED bulb puts out 1,600 lumens at a color temperature that lets it replace a 100-W incandescent light. The coveted Lighting "L" Prize last year went to an LED bulb that could replace a 60-W ...
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