An explanation of how walking through walls would actually look like if you could move in 4D, using the 4D video-game Miegakure (http://miegakure.com)
For more details, see this blog post: http://marctenbosch.com/news/2014/08/...
We will make more videos explaining the fourth dimension using the game. Subscribe to the channel if you are interested!
In this game the fourth dimension is not time, it is a fourth dimension of space. So if you count time the game is a 5D game. It is a correct representation of a fourth spatial dimension.
Yeah it's actually "around" walls, not "through!"
There are infinitely many 3D worlds stacked on top of each other, even if in the introductory Wall Level the ground texture makes it seem like there are only two. A more complex example is the shape at the beginning of the trailer, which is a true 4D shape called the 120 Cell, as explained here: http://marctenbosch.com/news/2014/04/...
From the perspective of a regular 3D observer standing next to the wall the player character would suddenly disappear, and a few moments later reappear on the other side of the wall.
See also: Flatland (https://en.wikipedia.org/wiki/Flatland)
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