Penn and Teller covered it pretty well on their Bullshit! program: http://video.google.com/videoplay?docid=3025396475247394113 http://video.google.com/videoplay

Penn and Teller covered it pretty well on their Bullshit! program: http://video.google.com/videoplay?docid=3025396475247394113 http://video.google.com/videoplay?docid=3025396475247394113