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[Bob-C]

Hi Wisdom, no that is incorrect, it's true that mass can't be accelerated to the speed of light or faster than light as shown by the Lorentz Fitzgerald equations which show that as mass is accelerated towards the speed of light the mass increases (demonstrated in particle accelerators) and would therefore require infinite energy to accelerate mass to the speed of light and beyond which is indeed impossible. However, please reread the "Alcubierre" article; spacetime can expand faster than light since it isn't mass, space, or time. This is why some stars have been accelerating faster than the speed of light away from our solar system and galaxy due to the expansion of spacetime.

Thanks very much for the wormhole article.

Best,

Bob