I first tested an LED bulb seven years ago. It was not a promising beginning. The bulb was a Par 38 spotlight for a recessed ceiling fixture. The color of the light was a silvery metallic — so chilling and wintery that it made the room feel cold. The final kicker was the price —
$125. As LED manufacturers have increased the efficiency of the bulbs, fewer are required for a given wattage and bulb type and the prices have fallen precipitously.
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