Matthew Hirschland, communications director for the University Corporation for Atmospheric Research, stands at the end of two rows of processors that make up a small part of the new Yellowstone supercomputer on the outskirts of Cheyenne, Wyo. on Monday, Oct. 15, 2012. A ribbon-cutting ceremony for the machine was held Monday, the supercomputer dedicated to earth sciences is among the world’s top 20 fastest. (AP Photo/Mead Gruver)