from the Business Communicators in Second Life site
"...chance to see the coolest rezzing process ever -and it was the SL prototype of the RL magnetic levitation transportation pod project, SkyTran. Below Professor Lopes explains the project and how she is using SL to inform the RL engineers and planners."
Discussion covers deal on what is and isn't easy to simulate in second life from an engineering and planning perspective.
Click here to link to post and more info