Video: Shedding light on the 20-year lightbulb[ Tue, 17 Apr 2012 23:11:00 GMT ]Philips is now selling a 10-watt lightbulb that does the job of a 60-watt incandescent, is more environmentally safe than compact fluorescent, and could light your house for 20 years â but may cost upwards of $50. Msnbc.com's Wilson Rothman illuminates. (msnbc.com)
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