[dweekly]

Here is a writeup on Google's S2 library for considering addressing the surface of the Earth as 1D, using Hilbert Curves.

http://blog.christianperone.com/2015/08/googles-s2-geometry-...

And 2015 HN thread: https://news.ycombinator.com/item?id=10066616

[MarkMMullin]

My favorite has always been Serpinski curve - the math behind Philip Jose Farmer's Riverworld :-) Here, you can print one yourself :-) https://www.thingiverse.com/thing:622627