This reminded me of Schild's Ladder: (http://en.wikipedia.org/wiki/Schilds_Ladder http://en.wikipedia.org/wiki/Schilds_Ladder) > ...the experiments unexpectedl

This reminded me of Schild's Ladder: (http://en.wikipedia.org/wiki/Schilds_Ladder http://en.wikipedia.org/wiki/Schilds_Ladder) > ...the experiments unexpectedly create a bubble of something more stable than ordinary vacuum, dubbed novo-vacuum, that expands outward at half the speed of light as ordinary vacuum collapses to this new state at the border... The local population is forced to flee to ever more distant star systems to escape the steadily approaching border...