How virtual are virtual worlds? How about the outcome of this virtual torture experiment, a virtual reality version of the famous Stanley Milgram experiment of the 1960's? What about the stories that brain-scans show that the brain shows identical activity, regardless of whether something happens in the physical world or whether the brain just 'thinks about it'? What about this new minority-report-like research where researchers say they might be on their way to tell what someone is going to do, even before the person knows it? Interesting to say the least...