Second Life provides virtual meeting space, may replace millions of airline seats annually someday. May need to learn building skills in SL beyond rezzing a box… New World Notes: What the US Navy’s Undersea Warfare Center Is Doing in SL (Updated) The last time I tried to visit the Second Life islands owned by the United States Navy’s Naval Undersea Warfare Center several months ago, I was blocked from entering most of it. This machinima above shows what they’ve been doing in Second Life, including rapid prototyping, data modeling, and VoIP-driven conferencing, much of it between other branches of the…