In: art, science, technology.
Cymatics
Cymatics is the study of visible sound vibration.
Everything, including sound, creates a vibration. Cymatics brings it to life in the form of images, thanks to the combination of light and mathematics. Cymatics is the process of making sounds we hear visible, like with the use of special fluids.
Links
Cymatics explained: A step-by-step guide
https://naturesoundretreat.com/cymatics
Cymatics: Chladni Plate - Sound, Vibration and Sand
https://youtube.com/watch?v=tFAcYruShow
Cymatics: Science & Music - Nigel Stanford
https://youtube.com/watch?v=Q3oItpVa9fs