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Great video. This is an old concept that was devised by Edwin Abott Abbott in the 19th century. Its used a lot in religion now to try and say God exists in other dimesnions an we have to reach out to him; something else religions ppinched from science lol.
Anyway...I've seen both the two famous videos of dr.quantum (the other being the double slit experminet you also posted); does he have any more?