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Astrophysics

Shedding light on the fabric of space-time

The idea that space-time might be fundamentally fuzzy is much debated among theorists. A search for signatures of this effect on light from distant cosmic sources has come up empty-handed, but shows the potential of this approach.

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Figure 1: Bumpy journeys.

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Correspondence to Giovanni Amelino-Camelia.

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Amelino-Camelia, G. Shedding light on the fabric of space-time. Nature 478, 466–467 (2011). https://doi.org/10.1038/478466a

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