A New Mathematics Blog has been started by Jeff Morton, PhD. He’s currently a post-doc in Ontario. Here’s a post about why he named his blog what he named it that I found interesting: Theoretical Atlas
… A “theory” can be seen as a way of taking some standard, pre-existing structure, and trying to “map” it onto the features we see in the real world. In a way, a literal map is an example of a theory: it imposes a regular grid of coordinates on some convoluted shape, which is itself a model of some territory off elsewhere in the world. It’s an artificial imposition – but it allows us to find our way around. Assuming it’s accurate enough, and we know how to read it. …
Sapien Games 