Warp drive not science fiction after all?

I am not sure if this is the right forum to post in but thought this would be an interesting topic to talk about. As a peruser of scientific news, I found this interesting article announcing that creating a 'Warp Drive' is not relegated to the dustbin of Star Trek fantasy.
http://news.discovery.com/...0yss-120917.html#mkcpgn=rssnws1Physicist Miguel Alcubierre suggested a concept of a warp drive using a ring of exotic matter that would 'warp' spacetime and allow a spacecraft at its center to travel at faster-than-light speeds. Further refining of Alcubierre's conceptual warp drive suggests that such a craft could be designed with reasonable amounts of energy and matter.http://i.huffpost.com/...75752/thumbs/s-WARP-DRIVE-large.jpg

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Edited by DevilsAdvocate, : No reason given.

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"It is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring." - Carl Sagan, The Demon-Haunted World

But how is warping spacetime violating mass—energy equivalence? I don't believe the energy content of the universe is changing at all. We are just relocating matter from one location in spacetime to another location, correct?Maybe a better way of stating this is that the matter in the spacecraft does not need to be converted to pure energy to travel at light speed because instead you are 'moving' or more accurately 'warping' spacetime around it. I am in way over my head here of course.Edited by DevilsAdvocate, : No reason given.

Exotic matter not totally unfeasible I think.http://www.sciencedaily.com/...ases/2011/08/110812161813.htmEdited by DevilsAdvocate, : No reason given.

Hmm, there seem to be a dozen types of 'exotic' matter out there. What exactly is this 'exotic matter' they are talking about and how would we get a bunch of it to form a ring around a spacecraft? Doing more reading to figure this out.

Okay, believe the exotic matter the article is talking about has negative mass. That is to say the energy content in a particular 'area' of spacetime is less than zero which creates in essense a wormhole through the spacetime fabric of the universe. However since space and time are connected, travelling using this 'warp drive' would not only allow you to 'travel' or rather 'warp' through space but also time as well, creating in essense a time machine as well as a fantastical space craft. Interesting.Here is an article that more eloquantly discusses what negative or exotic mass is.Negative Energy - Wormholes and Warp DriveEdited by DevilsAdvocate, : No reason given.

How would spacecraft travelling 10 times faster than the speed of light succumb to time dilation that effects objects traveling close or at the speed of light? Is warping spacetime to 'travel' faster than the speed of light subject to special relativity the same as objects traveling slower than the speed of light. Still trying to wrap my head around this.

That is an interesting proposition. Does warping spacetime permanently affect spacetime the spacecraft is 'traveling' through?

Why is the buble physically unrealistic? Just curious. Why is the universe predisposed to positive energy densities as opposed to negative? And what does this exactly mean? How can you have negative energy? I am not really understanding this process. Will do more reading.