Just a popular talk about the old Alcubierre drive [1], judging by the scant details.<p>[1] <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Alcubierre_drive" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Alcubierre_drive</a>