In physics, resonance is the tendency of a system to oscillate at larger amplitude at some frequencies than at others. These are known as the system's resonant frequencies. At these frequencies, even small periodic driving forces can produce large amplitude oscillations.
All of us have experienced the phenomenon of resonance. As children sit on a swing, we have noticed that pushing at a certain frequency by the same effort, the amplitude became larger.
The acoustic resonance phenomenon is the amplification of sound waves that characterize the resonators and is a principle upon which the functioning of almost all musical instruments.
The music gives me an opportunity to reflect on the phenomenon of resonance not just in relation to aspects related to the laws of physics, but something that always leaves me puzzled and sometimes moved.
How many times in our lives, we have lived experiences that make our hearts resonate, giving different emotions, incredibly deep and intense. Like a tuning fork that vibrates at a frequency of 440 Hertz, our attention becomes maximum listening at some good music. Whether this is an aria by Bach, a song by Pink Floyd or the execution of a classical guitar masterpieces of Tom Jobim.
Speaking about the "Uncertainty Principle" by Werner Heisenberg, who represented one of the cornerstones of quantum mechanics, Albert Einstein said: "I do not believe that God has chosen to play dice with the universe".
Einstein was wrong, but maybe not quite. One is amazed by the wonderful complexity of nature and we are far from having discovered all the laws of the universe and the secrets behind the greatest miracle of the creation, life.
With 7 different musical notes, the possible combinations are almost infinite, but with only some of them: the good music, God seems to open a direct dialogue with our hearts, making them swing and giving the illusion for a while, to hear his voice.
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