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View Diary: The rise of LED light bulbs (218 comments)

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  •  Most of those are high pressure sodium. (0+ / 0-)

    Low pressure sodium are monochromatic; you cannot see colors under them.  TERRIBLE for parking lots, but very efficient.  However, if you have a small application, rather than a large area light, they are probably not as efficient as LEDs.

    I'd rather have a bottle in front of me than a frontal lobotomy.

    by beemerr90s on Fri Dec 21, 2012 at 08:10:21 PM PST

    [ Parent ]

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