A light-emitting diode (LED) is a semiconductor device that emits light when current flows through it. Electrons in the semiconductor recombine with electron
An LED lamp or LED light is an electric light that produces light using light-emitting diodes (LEDs). LED lamps are significantly more energy-efficient
of airstrikes on Houthi rebels and a full blockade On 22 April, the Saudi-led coalition declared that it had achieved its initial goals and announced Operation