Scientific Computing -- Computational Science “Same Old Silence, Same Old Mistakes” “Something More Is Needed … ” -- Massively Parallel Simulations with DOE?s ASCI Supercomputers: An Overview of the Los Alamos Crestone Project -- Methods -- Adaptive Mesh Refinement on Overlapping Grids -- A Dynamically Adaptive Arbitrary Lagrangian-Eulerian Method for Hydrodynamics -- Front Tracking A…