A Los Alamos computer model helps scientists understand the hydrodynamics of how solids mix and flow as a result of a high-velocity projectile striking a metal surface.  

Learn more by watching a video about Los Alamos National Laboratory's role in stewardship of the U.S. stockpile of nuclear weapons:  <a href="http://www.youtube.com/watch?v=SdRmhrf6oXE&amp;list=UUbWmiA_pHk9DE62BaSUFFRw&amp;index=1&amp;feature=plcp" rel="nofollow">www.youtube.com/watch?v=SdRmhrf6oXE&amp;list=UUbWmiA_pHk9...</a>

More on Flickr