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Posted by Harvey on July 4, 2003 17:15:41 UTC

The speed of light is defined in a way that makes it impossible for any object, massive or otherwise, to exceed it. While your statement about human beings is a statement about reality, the statement that no object can move faster than light has nothing to do with reality, and therefore no experiment or observation can possibly invalidate it.

Oh, but FTL speeds are a topic for science, in fact it is a topic that keeps coming up. In fact, in some restrictive terms, FTL speeds have already been observed in nature in multiple experiments, and I expect to see more of it as the years go by.

So it's not so much that physics prohibits you from visiting other galaxies; the real issue is that modern physics prohibits you from talking about it. Whatever it is that you might be thinking of when you (or anyone else, including other physicists) talk about "superluminal travel" can be real, but it cannot be "super", "luminal", "travel", or any other concept that is consistent with relativity.

There may be ways around relativity, and that is what you are not considering.

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