US develops world's fastest computer dubbed Roadrunner

Washington, Jun 9 (AP) Scientists at a US government weapons laboratory have built the world's fastest computer. It is capable of sustaining 1,000 trillion operations per second.The Energy Department and IBM Corp., announced the breakthrough today. The computer will be used to help maintain the US nuclear weapons stockpile. Energy Secretary Samuel Bodman says the new computer, named Roadrunner, also will be used to help solve global energy problems and 'open new windows of knowledge' in basic research.The Los Alamos National Laboratory in New Mexico and IBM worked for six years to achieve the world record computer speed.