There is a huge movement against LED because of this. We do keep Sodium lights going by repairing them in certain areas where we know they are very sensitive to this. I have to admit that I am with the sodium lovers and always use my expertise to repair them where as a lot of the lads will simply replace them with LED because it is easier and quicker to do,
This might sound strange on a DIY website. But I am probably more of a theory bod than a practical bod! I knew that sodium produced a specific wavelength of light when excited. But it had never actually occurred to me to look up how that scientific principle is turned into making a street light work. So, I am pleased to have done that now
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