NASA is currently working on the first practical field test toward the possibility of faster than light travel.
Traveling faster than light has always been attributed to science fiction, but that all changed when Harold White and his team at NASA started to work on and tweak the Alcubierre Drive. Special relativity may hold true, but to travel faster or at the speed of light we might not need a craft that can travel at that speed. The solution might be to place a craft within a space that is moving faster than the speed of light! Therefore the craft itself does not have to travel at the speed of light from it’s own type of propulsion system.
It’s easier to think about if you think in terms of a flat escalator in an airport. The escalator moves faster than you are walking! In this case, the space encompassing the ship would be moving faster than the ship could fly, keeping all the matter of the ship intact. Therefore, we can move faster than light, in a massless cloud of space-time.
What is the Alcubierre Drive? It’s actually based on Einsteins field equations, it suggests that a spacecraft could achieve faster-than-light travel. Rather than exceed the speed of light alone in a craft, a spacecraft would leap long distances by contracting space in front of it and expanding space behind it. This would result in faster than light travel (1). Physicist Miguel Alcubierre was the first that we know to identify this possibility. He described it as remaining still on a flat piece of space-time inside a warp bubble that was made to move at “superluminal” (faster than light) velocity. We must not forget that space-time can be warped and distorted, it can be moved. But what about moving sections of space-time that’s created by expanding space-time behind the ship, and by contracting space-time in front of the ship?
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