"Faster than Light: Warp Drive" - SpaceVision 2013

www.youtube.com/watch?v=9M8yht_ofHc#t=36m
(59:00)

Two-dimensional visualization of the Alcubierre drive, showing the opposing regions of expanding and contracting spacetime that displace the central region.



http://en.wikipedia.org/wiki/Alcubierre_drive