Actually, a warp drive is permitted by general relativity assuming it's possible to create 'negative mass': https://en.m.wikipedia.org/wiki/Alcubierre_drive htt

Actually, a warp drive is permitted by general relativity assuming it's possible to create 'negative mass': https://en.m.wikipedia.org/wiki/Alcubierre_drive https://en.m.wikipedia.org/wiki/Alcubierre_drive Of course, that's not a small assumption...