Vortex explained

Part 1 - The Vortex
http://www.youtube.com/watch?v=Ay1ltYNUvUE&feature=related

Part 2 - The Vortex
http://www.youtube.com/watch?v=0K8lvg25oTM&feature=related

Part 3 - The Vortex
http://www.youtube.com/watch?v=5DNYlVOC55c&feature=related

Part 4 - The Vortex
http://www.youtube.com/watch?v=vkNrMybpJes&feature=related

Part 5 - The Vortex
http://www.youtube.com/watch?v=TlV3aUeeF6U&feature=related

Part 6 - The Vortex
http://www.youtube.com/watch?v=15D0L9b73L0&feature=related

Part 7 - The Vortex
http://www.youtube.com/watch?v=fLPhgH1rr-0&feature=related

Part 8 - The Vortex
http://www.youtube.com/watch?v=Hv_kVSoDOQs&feature=related

Part 9 - The Vortex
http://www.youtube.com/watch?v=TUz3u_5kyQw&feature=related