Looks like we're getting spoiled for choice when it comes to replacements for the venerable incandescent lightbulb, which is due to be phased out in America by 2012. Following in the footsteps of curly-fry CFLs and Philips' steampunk-looking LEDs, the latest bulb tech to pass UL certification is the ESL.
CFLs, LEDs, now ESLs: Yet another lightbulb technology - Core77
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