I put up my Christmas lights today. We’ve bought numerous sets of lights over the years, but this year we switched to LED lights for outdoors. They claim to cut energy costs by 80%-95% over the old bulbs, though they use a high value of 12 cents per kilowatt hour to make the numbers look higher.

I bought them solely because they are virtually unbreakable. I can usually be counted on to break one or two bulbs when they hit the interlocking brick driveway, but I was unable to break these ones.

Twenty five years ago I remember playing with light emitting diodes as a kid. I can’t believe it took this long to put them to use as an energy saving alternative.

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