More efficient lighting
January 31st, 2009 by rbanks
New $3 Light Bulb 12 Times More Efficient, Lasts 60 Years
"Cambridge University researchers have developed a $3 LED-based lightbulb that is 12 times more efficient than regular tungsten light bulbs, three times more than low energy ones. It lights up instantly, lasting for 100,000 hours" 
Gizmodo
