Some theorists have suggested that our universe may exist in a 2D boundary.
(Representational image)
Controversial theories suggesting that our universe is nothing but a massive hologram, has been around since ages. According to this theory, our 3D reality actually exists within a two-dimensional boundary. YouTube channel Life Noggin recently uploaded a video that explains this radical idea.
You can watch the video below:
( Source : Deccan Chronicle. )
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