Warp drive looks more promising than ever in recent NASA studies

Original article [Oct 2012]: <a href="http://www.gizmag.com/warp-drive-bubble-nasa-interstellar/24392/" rel="nofollow">http://www.gizmag.com/warp-drive-bubble-nasa-interstellar/24...</a><p>Previous discussions:<p><a href="https://news.ycombinator.com/item?id=4534359" rel="nofollow">https://news.ycombinator.com/item?id=4534359</a><p><a href="https://news.ycombinator.com/item?id=4542210" rel="nofollow">https://news.ycombinator.com/item?id=4542210</a>

Does measuring space curvature with interferometer even work? It assumes that light travels in space like a litlle ball on stretched rubber sheet. What if light is the line drawn on the sheet? Was that ever conclusively disproven?