Some cool videos

[Traps]

This software simulates multiphysics problems. Mulitphysics is taking different areas of physics that are solved together simulatneously. This is what is taking your bullets, cartridges, and guns into the next dimension for performance, efficiency, etc. Software is called Ansys

http://www.youtube.com/watch?v=vNJvs...eature=related

This one is really cool and shows the wake behind the bullet and fluid dynamics occuring:

http://www.youtube.com/watch?v=sBQNn...eature=related

http://www.youtube.com/watch?v=V4qyc...eature=related

http://www.youtube.com/watch?v=jfo7Z...eature=related

Ever wonder why a golf ball is dimpled:

http://www.youtube.com/watch?v=-oHMEvZCWcY&feature=fvw