nucleus is the script that does the simulation of cloth (theres a video to show this off on autodesk's website)
if you watch Kurt's free cloth tutorial you'll understand what he means by "simulation at the expense of time"
that's a "Ch" pronounced as a "K"
Computer skills I should have:
Objective C, C#, Java, MEL. Python, C++, XML, JavaScript, XSLT, HTML, SQL, CSS, FXScript, Clips, SOAR, ActionScript, OpenGL, DirectX
Maya, XSI, Photoshop, AfterEffects, Motion, Illustrator, Flash, Swift3D