Passing A Portal Through Itself

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This video is about what happens if you try to pass a portal (like in the video game Portal or Portal 2) through itself - do you get a paradox? Infinite recursion? Impossibility? Contradiction? The end of the world? Collapse of the wavefunction? Ultimately it ends up looking beautiful and weird and recursive and... just watch the video :)

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Created by Henry Reich
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https://www.youtube.com/watch?v=jSMZoLjB9JE