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/new-trailer-how-to-walk-through-walls-using-the-fourth-dimension * We will make more videos explaining the fourth dimension using the game. Subscribe to the channel if you are interested!