"The ultimate nerd gadget" Image credit:GlobalPOV, excerpt from photo of printer out-puting plastic love doll. For years I've been watching for news of an engineering break-though which indicated polymer-based solar photo-voltaic sheets could become cheap to manufacture and long lasting, perhaps using a process akin to computer printing. (Which would mean that solar power would at last enter the domain of computer geeks.) Ideally, it would lead to a fabrication process which could be patented and kept under tight wraps during development: ne...