In 1965, the United States and other nuclear powers committed to the Comprehensive Nuclear-Test-Ban Treaty, which prohibited nuclear tests. The National Nuclear Security Administration (NNSA), a successor to the Manhattan Project, now tests nukes only in simulation. To that end, the NNSA yesterday unveiled the world’s fastest supercomputer to air in its mission to maintain a safe, secure, and reliable nuclear stockpile. El Capitan was announced yesterday at the SC Conference for supercomputing i...