I know it sounds like science fiction, but is it even physically possible to create a container than is much bigger on the inside than it is on the outside (say something the size of a Rubix cube holding several large books).
I'm not asking if something like this exists, just if it is possible that sometime in the future this may exist. Please list your sources that you base your answers on (and please no answers like "sure, anything is possible in the future"--I want information). Thanks in advance!
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