The /proc sytem gives all the information you need to calculate CPU usage at any interval you want.
The free energy principle may guide feedback mechanisms for learning behaviors at the cellular level.
Tinting an image into a specific color can be done with a single command using imagemagick.
A bank of drum samples can be tuned and spliced and turned into a TE device patch with just a little bit of code.
There is a simple trick to make audio float around binaural headphones by using oscillating filters and delays on each channel.
Reverse-engineering a non-linear response curve for detuning multiple oscillators is the key to a great sounding synthesizer.