Tag Archives: Our universe might be a giant three-dimensional donut

Our universe might be a giant three-dimensional donut

Our universe might be a giant three-dimensional donut

Our universe might be a giant three-dimensional donut Imagine a universe where you can point a spaceship in one direction and finally come back to the starting point. If our universe were a finite donut, then such movements would be possible and physicists could potentially measure their size. “We could …

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