April 13, 2006

Easterhegg 2006 at Fluc Mensa

May 10, 2006

Gödel und das Unendliche at math.space

May 30, 2006

linuxwochen.at at Urania

July 15, 2006

Microcontroller Workshop at metalab

December 26, 2006

23C3 - 23. Chaos Communication Congress at Berliner Congress Center