Such a warp drive is a tantalizing idea with many caveats ... For example, Mexican physicist Miguel Alcubierre had an idea for such a drive in 1994. He suggested that it could create a bubble ...
The idea of traveling faster than the speed of light (FTL) has been a popular idea long before [Alcubierre] came up ... The gotcha with detecting an FTL warp drive is that it is undetectable ...
Alcubierre came up with a theory that explains ... NASA actually has a theoretical concept for a warp drive that could take a spacecraft to Alpha Centauri, a star system 4.3 light-years away ...