Unless you are a lost tourist, subway maps are fun to look at.  Check out treehugger’s slideshow of impressive subway maps.

What happens when scientists get their hands on a 76-teraflop supercomputer? Wired reports that this mind-boggling CPU power was used to create a simulation of a sunspot, modelling the sun’s magnetic processes at work over a region 31,000 miles by 62,000 miles, and with a depth of 3,700 miles. That is a lot of sun action – and we can just be thankful that the output is so completely gorgeous. Check out wired for the full story.