Various labs have been working on LED lightbulbs for years. But they've usually put out too much heat. They've finally got some that can go on the market. These aren't the only model, but they're one of the more affordable varieties. Another variety is hanging in the kitchen in the "Green House" display at The Building Museum here in DC.
I gave these out as Dougmas gifts last year. Your usual means of judging brightness doesn't really apply. But I'd say the Vivid Plus is roughly 20 Watts. They put off a blue cast. The Plus would make a good bathroom or hall light for staggering around in the middle of the night without getting blinded. Not as harsh as a nightlight, but brighter. I'll be using one as a back porch light.
They're supposed to last ~10 years and the Plus should cost ~$2.00 per year to run. Sure, they're expensive but think of it as encouraging development of a promising technology.
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