MOJAVE - XCOR Aerospace continues to ride the cutting edge of space technology as it works on the preliminary design for its Xerus suborbital spacecraft. The Mojave-based rocket company announced it will use a sophisticated computer-analysis software program, running on a supercomputer, during the preliminary design phase for Xerus. XCOR is developing the Xerus spacecraft to take commercial passengers to the edge of space as part of the emerging commercial space tourism industry. This kind of high-powered computer analysis previously was only available for the large aerospace defense firms, said Rich Pournelle , XCOR's director of business development. "Now those...