How to Finally Stop Buying the Wrong Lightbulbs
by Jeff Somers from Lifehacker on (#5YJMB)
If you're of a certain vintage (i.e., old), you know that buying lightbulbs used to be a relatively simple process: You noted the wattage that you needed and you bought more of the same. A 40-watt bulb produced dimmer light than a 100-watt bulb. Easy! Sure, there were always more exotic bulbs out there-halogen bulbs...