well for example, most cities have already replaced traffic lights with them... each bulb running at say 15watts instead of 100... with thousands of lights, that alone will save a city millions. this is applicable everywhere and to even greater extents, especially when they start being used in lighting homes and offices.
like mitch said they are also being researched as grow lights, as they chemical makeup of the diode produces any specific wavelength they want, and ONLY that wavelenght... instead of trying to use a filter to narrow the very wide range output of a bulb. this is particularly useful for medial stuff too. they are also tiny and have a very focused, nearly heatless output, as compared to insanely hot bulbs that throw random light in every direction.
they also last sooooooo long. a normal incandescent will last what, 1000 hours. an led will last 100,000... running constantly 24hours a day, thats a difference between 41 DAYS and 11 YEARS...
they are overall just a VERY useful invention, especially with our "lit" world. they really are the next greatest lighting invention since edison's bulb...
like mitch said they are also being researched as grow lights, as they chemical makeup of the diode produces any specific wavelength they want, and ONLY that wavelenght... instead of trying to use a filter to narrow the very wide range output of a bulb. this is particularly useful for medial stuff too. they are also tiny and have a very focused, nearly heatless output, as compared to insanely hot bulbs that throw random light in every direction.
they also last sooooooo long. a normal incandescent will last what, 1000 hours. an led will last 100,000... running constantly 24hours a day, thats a difference between 41 DAYS and 11 YEARS...
they are overall just a VERY useful invention, especially with our "lit" world. they really are the next greatest lighting invention since edison's bulb...
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