When cities started replacing the old, incandescent bulbs of traffic lights with new LED arrays, it came with all kinds of wonderful upsides. LED arrays last much, much longer than bulbs, which need ...
I just spoke with Raymond Deese. He is founder of Electro-techs in Corona, California. Mr. Deese could be called "Mr. LED." He's been working with LEDs since 1981. His firm built and sold the first ...
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