Interested in mathematics and geology, so you say? Behold, I am the polypontian, and spin links 'twixt diverse nodes not my own:

http://www.aleph.se/andart/archives/2014/02/torusearth.html

Perhaps this Anders would be interested to discuss the particular brand of paint you enjoy watching dry [0].

[0] Which if one has any fascination at all with viscous fluids or amorphous solids, one really must try sometime.