Green Living Tips | Lightbulbs: Which kind is bright for you?
Jun. 03, 2013
Who would have thought you’d need instructions to change a lightbulb? In less enlightened times, all you had to do was pick the right wattage, screw the bulk into a fixture and flip the switch.
But now, brightness is measured in lumens and lightbulbs come in a variety of shapes and hues. They can be more expensive...
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