Universe Was Once Divided into Cells, New Study Says

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The idea that the universe is not the same everywhere has been flying under the radar for the last fifty years or so, and a new paper details a fresh perspective on this idea. According to the new paper, the decay of axion domain walls could explain dark matter and some unusual gravitational waves. Let’s have a look.

Paper: https://arxiv.org/abs/2401.14331v2

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