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========== Vsauce, I’m Jake and on a recent flight
I rewatched the fantastic Christopher Nolan film Inception. In the movie Joseph Gordon Levitts’ character
mentions “The penrose steps. The infinite staircase.” And that got me thinking about impossible
objects, which the penrose steps or impossible staircase are. So, I decided to 3D print some. Impossible Objects are shapes that form in
an inconsistent way creating a visual illusion...something that deceives our mind by producing a false
impression of reality. And if you’ve played the video game Monument
Valley, it is filled with those sorts of illusions. So let’s look at a few examples we printed
starting with This is the impossible staircase. An endless loop of steps going up, then back
down, th...