Tag: useful

A flashlight, to create a torch in British Commonwealth countries, is really a hand-held portable electric device which generates light.The standard flashlight includes a power battery and incandescent lamp.With changes in technology and the rise of age semiconductors, flashlights also shifted from conventional lights towards the usage of LEDs.LEDs are light-emitting diodes (LEDs).Through the use of proper material, these diodes can make lights of varied colors...