While it is typical for porch lights or outdoor house lights to be either a cool or warm white, every now and then you might spot neighbors with a vibrant colored light bulb instead. Between holidays, ...

Though they're so common that we don't typically give them much thought, lights are fascinating elements of the modern world. By sending an electrical current through a conductor, extreme amounts of ...

Does a blue light keep you up at night? No, it’s not an alien invasion. The city of St. Paul has been gradually replacing LED street lights suffering from an unusual manufacturer’s defect — they’re ...

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