Even for a press release the TFA has woefully little real information. After digging around I did find this one article which has a little bit more on how this

Even for a press release the TFA has woefully little real information. After digging around I did find this one article which has a little bit more on how this is supposed to work. http://newsroom.unsw.edu.au/news/technology/solar-discovery-sets-new-record-low-grade-silicon http://newsroom.unsw.edu.au/news/technology/solar-discovery-...