Chasing Exascale

November 29, 2010 | There's an international race to build an exascale computer--a project that is estimated to cost billions of dollars. At the Department of Energy, Peter Beckman is leading the effort (as are counterparts in China, Europe, and Japan). He talks about where the problems are, how far away we are now, and how budgets and funding are driving (or not driving) the process. PC World