Wednesday, April 18, 2012 - 22:00 in Physics & Chemistry
The innovative light bulb from Philips will be unveiled to shoppers on Earth Day, but is the price tag too high?
- Regular light bulbs made super-efficient with ultra-fast laserFri, 29 May 2009, 13:22:09 EDT
- Freeing light shines promise on energy-efficient lightingTue, 15 Jul 2008, 12:14:24 EDT
- Light bulb phase-out offers new role for unsung heroes of electronics revolutionWed, 13 Jul 2011, 10:09:13 EDT
- Goodbye, fluorescent light bulbs! See your office in a new lightMon, 3 Dec 2012, 11:34:23 EST
- Dangers of exposure to 'white' lightMon, 12 Sep 2011, 10:33:45 EDT