The "Bad Apple!!" music video, with its monochrome silhouette aesthetic, has been the subject of many other creative rendering hack demonstrations using esoteric means.
You could get this effect naturally for a Mandelbrot zoom calculation where each thread iterates the orbit until it escapes, then pauses for a second and repeats
Of course, using a super multi core processor as a display is significantly more sophisticated and just funnier. Props to the developer for their creativity!
When power-saving states for CPUs were still new and Windows support was still lacking, there was a 3rd party tool that would decrease the idle temperature of my Athlon XP by creating artificial load with a low process priority. It would basically replace the System Idle Process and put the CPU in some new P-state.
Is there some standard way in *nix/Windows to create artificial CPU load while actually not increasing the energy consumption at all?
I wish reddit didn't intentionally ruin their mobile version to force people onto the app. Video constantly buffers and only plays or pauses when it wants to even though my internet is fine.