A photograph of sound from 380,000 years after the beginning: plasma ringing at the speed of sound in the potential wells, frozen at recombination into the acoustic peaks — with Silk damping, the power spectrum drawn beneath, and the first peak marked because it measures the geometry of space.
Drawn with: a WebGL2 shader.
Reacts to and looks like: gpu, webgl2 and audio-reactive.
Family: Visualiser.
Runs in your browser. The preview above is the same program the renderer uses.