The quantization of spacetime could be revealed indirectly through its imprint on the propagation of particles. An analysis combining data from the IceCube Neutrino Observatory and the Fermi Gamma-ray Space Telescope shows preliminary statistical evidence of such a quantum-spacetime effect.
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References
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This is a summary of: Amelino-Camelia, G. et al. Could quantum gravity slow down neutrinos? Nat. Astron. https://doi.org/10.1038/s41550-023-01993-z (2023).
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Neutrinos could hold the key to proving the quantization of spacetime. Nat Astron 7, 898–899 (2023). https://doi.org/10.1038/s41550-023-01994-y
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DOI: https://doi.org/10.1038/s41550-023-01994-y
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