Seriously, read the description. This is a "2d representation of 4d," not actual 4d. For something that can actually travel in a 4d space, this is what they would see, but it obviously does not retain the real properties of a 4d object. 4d being represented in 2d is no more illogical than a 3d (cube) in 2d.
I want to laugh with you, guys, but I'm really not seeing the humor in this... I left it running for about a minute and I know all the allusions, but I just don't follow. Sorry.
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