Screensaver
A simple on/off control for what your mind returns to when nothing is actively happening. When on, a neutral or steady thought fills the space. When off, whatever is loudest or most repetitive takes over.
Jensen Huang and the CUDA Decade
Screensaver protected Jensen Huang during the embarrassing earnings calls and investor pressure of the CUDA years. When his mind wasn't actively engaged in problem-solving, instead of replaying the humiliation or dwelling on poor stock performance, he had trained himself to return to the vision of CUDA everywhere. This prevented the negative loops from taking over during idle moments.