Light Emitting Diodes, or LEDs, emit light through a phenomenon called electroluminescence. When an electric current passes through an LED, electrons encounter electron holes—which are...
Batteries provide the electric energy essential for your remote control to work. Basically, they contain chemical substances that react together to produce an electric voltage. This voltage...
When using a smartphone screen in direct sunlight, one of the main issues is the ambient brightness around us, which is much stronger than the...