Quick demo showing fast rezzing of physical objects and collisions, plus some eye-candy shadow effect. Second Life is currently using Havok physics engine, version 4. On a few regions on the Preview grid, they're now testing Havok version 7: http:bit.lya8AxiV Video taken with GLC using current official SL Viewer 2 on Linux Ubuntu 10.04 alpha. *video can be freely reused by providing attibution* COMMENTS: YouTube seems to be broken right now. Only friends' comments get automatically approved. DON'T SUBMIT MULTIPLE COMMENTS. I'll approve them later.