_Nano-oils keep their cool | R&D Mag_ (http://www.rdmag.com/News/2012/02/Materials-Nanotechnology-Nano-Oils-Keep-Their-Cool/?et_cid=2456069&et_rid=3449 58081&linkid=http://www.rdmag.com/News/2012/02/Materials-Nanotechnology-Nano -Oils-Keep-Their-Cool/)