"After 20+ years of development, extreme #UltravioletLithography has become a commercial reality. As I write these words, multi-million dollar machines from ASML use EUV light to create impossibly small patterns in wafers. " - Asianometry

The Extreme Engineering of #ASML’s #EUV Light Source
https://m.youtube.com/watch?v=5Ge2RcvDlgw