I did an internship for one of the two big lithography optics companies back in 2005 in their R&D. Their engineers and scientists working on EUV were very cynic

I did an internship for one of the two big lithography optics companies back in 2005 in their R&D. Their engineers and scientists working on EUV were very cynical about the EUV prospects. Some of that will have been because switching from tech you understand (lenses) to something you don't (mirrors). But wow, did they NOT think that was going to work.