Correct me if I'm wrong, but isn't a change of refractive index a distortion of space-time? So isn't the claim of no influence of local refractive index change a conceptual error?
M. On Friday, June 6th, 2025 at 9:47 PM, Nick <nix...@ameritech.net> wrote: > https://www.ej-eng.org/index.php/ejeng/article/view/3246