The bulb, which joins 13-watt and 9-watt LED bulbs (replacements for 60- and 40-watt incandescents, respectively) offers up 25,000 hours of life, which should give you roughly 22.8 years, assuming you ...
LED maker Cree announced this week that it had achieved a new record in terms of lighting efficiency, harvesting 303 lumens per watt from a white high power LED at room temperature. This represents a ...
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