The outside of a wormhole. pulsing with different colors
A flying formation of drones, where they form concentric hexagons that spin in opposite directions, leaving a wake in the path of their alternating directions.
The background image to an avatar, it's strange but it's their culture, you don't have to understand it.
Loading screen? Nodal Menu? Yes Please
More the idea of sinusoidal waves of parallel platelets than anything else, It made me think that an isometric view of the frequency scanner would look amazing!
This might be a way to show a lot of information about a star system on a map, with a bright light at the center, translucent toroids with different colors to represent known factions, and particles to represent the activity/population of a system.