Noun
Alcubierre drive (plural Alcubierre drives)
A hypothetical means of faster-than-light propulsion, based on the controlled contraction and expansion of surrounding space.
But in this case, the Alcubierre drive vessel can only travel routes that, like a railroad, have first been equipped with the necessary infrastructure. Source: Internet
Coule further argues that an analogous objection will apply to any proposed method of constructing an Alcubierre drive. Source: Internet
Two-dimensional visualization of an Alcubierre drive, showing the opposing regions of expanding and contracting spacetime that displace the central region. Source: Internet