I like seeing how familiar structures appear at cosmological scale. Long ago I created a webgl visualization of the Millennium Run, an early large-scale cosmol

I like seeing how familiar structures appear at cosmological scale. Long ago I created a webgl visualization of the Millennium Run, an early large-scale cosmological simulation: https://www.asterank.com/galaxies/ https://www.asterank.com/galaxies/ It was a nice way to learn about three.js/webgl and how to make many particles performant. There are probably better visualizations out there nowadays.