Artificial light sources that use an electrical discharge of a gaseous medium in mercury vapor to generate light waves are...

Incandescent lamps are typical emitters of heat. In their sealed flask filled with a vacuum or inert gas, the tungsten...

Today, unexpected power outages can not only disrupt the usual life of the resident, but also completely paralyze various...

Sometimes it's not enough to just turn the light on or off, you want to control the brightness, change the color, get dynamic...