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Theoretical physics: The origins of space and time

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Many researchers believe that physics will not be complete until it can explain not just the behaviour of space and time, but where these entities come from.

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Authors and Affiliations

  1. Zeeya Merali is a freelance writer in London.,

    Zeeya Merali

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  1. Zeeya Merali
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Related video

Causal dynamical triangulationThis simplified version of causal dynamical triangulation uses just two dimensions: one of space and one of time. The video shows two-dimensional universes generated by pieces of space assembling themselves according to quantum rules. Each colour represent a slice through the universe at particular time after the Big Bang, which is depicted as a tiny black ball.

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Loop quantum gravity

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Merali, Z. Theoretical physics: The origins of space and time. Nature 500, 516–519 (2013). https://doi.org/10.1038/500516a

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