Things got a tad hairy for the University of Illinois at Urbana-Champaign's Blue Waters supercomputer when IBM halted work on it in 2011, but with funding from the National Science Foundation, the one-petaflop system is now crunching numbers 24/7. The behemoth resides within the National Center for Supercomputing Application (NCSA) and is composed of 237 Cray XE6 cabinets and 32 o