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[ Green Quiz: LEDs ]

Green Quiz: LEDs


GroundworkOR / Flickr


The Times Square New Year's Eve ball has come a long way
from its first design in 1907. Originally comprised of 100 incandescent light
bulbs, our modern ball is filled with a kaleidoscope of thousands of efficient
LED lights.

The Alliance to Save Energy recently suggested 2013
could be the "year of the
". LED lightbulbs are 75% more efficient than standard incandescent
bulbs and last a lot longer. How long? Take this quiz to test your knowledge.
Up to how many years can an LED lightbulb last for?

A.15 years

B. 25 years

C. 35 years

D. 45 years


The correct answer is B. 25 years (source).

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