The harp is one of the stringed instruments that have a couple of individual strings running vertically at an angle to its soundboard. The term harp comes from an Old English word hearpe, which is closer to the Old High German word harpha. Around the world, harps vary in several sizes. Some … Read more
After Theodore H. Maiman invented the laser in 1960, it has opened up a whole spectrum of varied applications in many industries, proving earlier people’s belief of light mystifying powers. Since then, it has brought amazing uses in science, medicine, electronics, information technology, entertainment, and music. In fact, the laser also powered … Read more