Up until now, NVIDIA's PhysX technology hasn't been used in games all that well. Even today, it's still just a technology demo, and a technology acquisition by NVIDIA, but they continue to keep their heads down and work on the physics technology.
There's a new simulation using PhysX, which you can check out in the above video. The demo is the result of research by Miles Macklin and Matthias Muller. They have a paper published about it, which you can read here, with some details below: