The downside of LEDs is the amount of blue light they give off. Excessive exposure to light at night can suppress melatonin, ...
Nothing is more ethereal than Christmas lights on a snowy night, but should you leave your tree on when you go to bed? Our ...
LED lightbulbs are supposed to last thousands of hours, so how come some of them stop working so fast? The answer might be in ...
Abstract: Deep ultraviolet light-emitting diode (LED) sterilization and germicidal lamps with short-wave characteristics, can be used to replace the traditional ultraviolet mercury lamps, is a new ...