Just because the PlayStation 4 centers around an AMD-based platform doesn't mean that NVIDIA is out of the picture. The graphics firm is updating the software developer kits for both its Apex dynamics framework and PhysX physics modeling system to address Sony's new console, even if they won't have the full hardware acceleration that comes with using NVIDIA's own chipsets. The introductions will mostly take some of the guesswork out of creating realistic-looking games -- theoretically, adding a larger number of collisions, de
