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QUESTION: According to general relativity, spacetime distorts everything is energy, therefore the electro magnetic field.
How much less energy would be needed to produce warp bubble, you need to use negative energy?

ANSWER: This question is meaningless babble.  Spacetime does not distort anything.  Gravitation distorts spacetime.  It is not electromagnetic in nature at all, that's well-demonstrated.  Ridiculous amounts of gravitational energy (this much we know) are needed to make warp drive possible, and no one yet has any plan to do it.  There are some smart minds who have worked on this for decades, if you think gravitation is somehow electromagnetic then you should stop wasting time thinking about this problem...let them handle it.

---------- FOLLOW-UP ----------

QUESTION: Thank for answer.
I am sorry.There is error.

According to general relativity, spacetime curving everything is energy, that electro magnetic field.
How much would need less energy to produce warp bubble, you have to use negative energy?

Answer
Still nothing to do with electromagnetic fields at all.  There is no known thing called negative energy, it has never been observed and is not part of common physics theories.  Gravitational distortions might be used, but no one has yet figured out a mechanism to really make warp drive that way without destroying whatever was caught in such an intense field.

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Dr. Stephen O. Nelson

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I can answer most basic physics questions, physics questions about science fiction and everyday observations of physics, etc. I'm also usually good for science fair advice (I'm the regional science fair director). I do not answer homework problems. I will occasionally point out where a homework solution went wrong, though. I'm usually good at explaining odd observations that seem counterintuitive, energy science, nuclear physics, nuclear astrophysics, and alternative theories of physics are my specialties.

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I was a physics professor at the University of Texas of the Permian Basin, research in nuclear technology and nuclear astrophysics. My travelling science show saw over 20,000 students of all ages. I taught physics, nuclear chemistry, radiation safety, vacuum technology, and answer tons of questions as I tour schools encouraging students to consider careers in science. I moved on to a non-academic job with more research just recently.

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Ph. D. from Duke University in physics, research in nuclear astrophysics reactions, gamma-ray astronomy technology, and advanced nuclear reactors.

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