The black hole thing is a non-starter. Even if they acheive anything resembling singularity for a femtosecond, the singularity they create will be the result of the collision of a couple subatomic particles. Therefore, it will have no more mass than a pair of subatomic particles, and generate no more gravity than a pair of subatomic particles. Creating a two particle black hole isn't going to suck the paint off the walls any more than a hydrogen nucleus will. That's pure bunk science fiction nonsense.

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The last time I felt a warm fuzzy feeling, I was informed by my doctor that it was just gas.