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The study of shapes and spaces in six dimensions, where the sixth dimension is often considered the space of all possible initial conditions—every possible way the universe could have started, leading to every possible history. In 6D geometry, objects have six perpendicular axes, allowing for forms that contain all possible universes with all possible starting points. A 6D object would appear in our reality as a kind of meta-universe, containing every branch of every possibility from every beginning. 6D geometry is what you need when 5D isn't infinite enough, when you need to account not just for different choices but for different laws of physics, different constants, different realities entirely.
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