I don't have anywhere near the physics chops to debate this in detail, but the usual contention WRT FTL is that our understanding of physics actively precludes

I don't have anywhere near the physics chops to debate this in detail, but the usual contention WRT FTL is that our understanding of physics actively precludes the possibility of FTL. Winchell Chung's Atomic Rockets website gives a good account of the basic argument here: https://www.projectrho.com/public_html/rocket/fasterlight.php https://www.projectrho.com/public_html/rocket/fasterlight.ph...