It’s a complicated thing, this thing called sound. Back in March I dipped into the world of sounds with this article about how it has been discovered that sound travels in bubbles, not waves, as previously thought.
It goes on to explain that our voice transforms into infrared light. Cell to cell communication occurs within the infrared spectrum. So our voice is communicating with every cell in our body. How cool is that!
Of course, in order to listen to sound, we need to hear it. According to Wikipedia –
Hearing, or auditory perception, is the ability to perceive sounds by detecting vibrations, changes in the pressure of the surrounding medium through time, through an organ such as the ear.
Frequencies capable of being heard by humans are called audio or sonic. The range is typically considered to be between 20 Hz and 20,000 Hz. Frequencies higher than audio are referred to as ultrasonic, while frequencies below audio are referred to…