The article on phys.org is a summary of a paper published in Proc Royal Soc, the abstract for which is at [1]. The full paper is paywalled, and I believe that t

The article on phys.org is a summary of a paper published in Proc Royal Soc, the abstract for which is at [1]. The full paper is paywalled, and I believe that this is what @_of is referring to. Unfortunately there doesn't seem to be a preprint on ArXive. Edit: All articles since November 2010 seem to be paywalled. [1] http://rspa.royalsocietypublishing.org/content/early/2012/09/25/rspa.2012.0340.abstract http://rspa.royalsocietypublishing.org/content/early/2012/09...