I appreciate your interest in this subject and you ve said nothing inappropriate Since it seems you are mostly disputing Pendry s Perfect Lens I would rather have this discussion over at Talk Superlens However since you are new to Wikipedia we can have this discussion here You are correct the Pendry Lens does not in fact exist Research which challenged Pendry s proposal turned out to be correct This is actually discussed in the Superlens article Pendry s proposal was a starting point for some intense research over the last decade and merely a starting point for the Superlens article on Wikipedia If you start with this section Superlens Perfect lens you will see what I mean For negative index of refraction there are two peer reviewed articles which you might be interested in reading The titles are linked to PDF formats of the article available to the public This work was inspired and developed from a paper published by Victor Veselago 33 years ealier than the first of the above demonstrations in 1967 To read this in available PDF format see the citation below Then follow the link from Turpion Ltd then on the next page click Full Text PDF file 531 kB then check the box on the page after that and download the PDF