If you are a big fan of movies, or you have watched a film or two, then you may have some experience with soundtracks. Note that not all films have soundtracks, though. While it is not compulsory, why do films still have music? Well, you will get the answer...
Music is often considered as the language of the universe. Being a physics student and all we came across the resonance effect during our studies. It is deeply rooted in the fact that all existing matter in the universe has its own frequency, so even when a thing appears...