Remember the great quiet moments in the TNG observation lounge when Picard and company would decide the fate of the galaxy? Those great moments were scored not by an orchestra, but by the low-hum of the Enterprise engines. The sound of the engines hummed through the whole ship, giving everyone on board a sense of the fact that they were traversing the stars.
After discovering this video, I have been listening to it non-stop while I write/study. It gives me a sense that I’m doing something incredibly important for the whole galaxy.
For practical purposes, the noise is just enough to drown out any distracting noises going on around you and keep you focused. I can’t believe I didn’t think of it:
What are you going to use it for?