Again Bob, my instincts are always sceptical.  As I said, this type of operation would have so many people involved that I can't believe that it could possibly occur.  Yet... the prof makes a good argument on the law of physics.  I'm not saying one way or the other, but perhaps it should be given some credibility since the article is accepted by a peer-reviewed academic journal next year.  I just don't know.

"Schiller sprach zu Goethe, Steck in dem Arsch die Flöte! Goethe sagte zu Schiller, Mein Arsch ist kein Triller!"