The EGI Community Forum 2012 is taking place in an incredible place; the Leibniz Supercomputing Centre (LRZ) in Garching near Munich, Germany.
Better than words, here are some pictures...
The general place (beautiful piece of architecture):
A strange tube in the middle of the place:
How to use it (here is a more explicative video: http://www.flickr.com/photos/europeangrid/7021093587/):
Now how to use it by Steven Newhouse: