It’s that time again: Sleep again – and then Vienna’s wildest, most scientific, and, yes, let’s call it that: in the best sense of the word, weirdest Xmas party takes place. A diverse team of computer scientists and chemists from the University of Vienna led by Professor Peter Reichl, who heads the Cooperative Systems (COSY) research group, is once again inviting students to the big Christmas party together with the students from the Computer Science student and faculty representatives and the IG Chemistry a lecture of a special kind. The promising title this year: AI vs. AI.