Posts on NASASpaceFlight.com, a website devoted to the engineering side of space news, say that NASA has a tool to measure variances in the path-time of light. When lasers were fired through the EmDrive’s resonance chamber, it measured significant variances and, more importantly, found that some of the beams appeared to travel faster than the speed of light. If that’s true, it would mean that the EmDrive is producing a warp field or bubble. Here’s a comment from a space forum following the tests.
That’s the big surprise. This signature (the interference pattern) on the EmDrive looks just like what a warp bubble looks like. And the math behind the warp bubble apparently matches the interference pattern found in the EmDrive.
Another surprise is that the discovery was accidental, as this comment attests.
Seems to have been an accidental connection. They were wondering where this “thrust” might be coming from. One scientists proposed that maybe it’s a warp of the spacetime foam, which is causing the thrust.
