We may be living in a doughnut | The shape of the universe

We may be living in a doughnut | The shape of the universe

Cosmic topology is the study of the overall shape of the universe and how its regions are connected. It addresses key questions, such as whether space is finite or infinite, or if it has multiple connected componentes. Discovering the universe's topology would be crucial for understanding early universe physics and developing a theory of quantum gravity.

In this video, Yashar Akrami explores how the universe could have a toroidal topology, meaning it might be shaped like a doughnut. Akrami also explains some methods for detecting these cosmic features, such as searching for identical circles in the cosmic microwave background (CMB), although no conclusive evidence has yet been found.

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