Here's how Disney uses the power of mathematics to create awesome-looking snow
Have you ever heard the collective sound of several hundred people's jaws dropping? If you've been to a cinema where they're showing the Life of Pi for the first time, then you probably have
Will we ever have completely digital actors intermingling with real ones? Will we soon have feature films where dead actors are brought back to life through the miracle of CGI and motion capture? Will computer generated images of humans ever be so good that we can't distinguish them from the real thing in any way?
It's not just the UFO that's fake in this video - it's the car and the sky and the camera shake. In other words, the whole video is CGI. Even the pinging of the "Driver's Door Open" warning
This is a very successful attempt to build a system that can simulate walking with all types of two-legged characters. It's extremely funny as well!
Fur. It's hard to model in CGI. For a start, it's not one object but hundreds or thousands or millions of them. To make them convincing you have to model them; understanding how they move relative to each other, and to the animal or human that they're attached to