[Vo]:Old dog, new tricks - and the Ps BEC
Positronium: Old Dog, New Tricks by David B. Cassidy is the title of a paper that provides additional background for an exotic interpretation of an important new experiment, but stops short of the newest trick for this old dog. http://pyweb.swan.ac.uk/quamp/quampweb/talks/CASSIDY_QuAMP_2013.pdf
Re: [Vo]:Old dog, new tricks - and the Ps BEC
There is a simplistic beauty in this explanation. Many would argue, however, that we are multiplying entities.