It seems the world is not discrete!

In a recent paper  entitled "Bounds on Spectral Dispersion from Fermi-Detected Gamma Ray Bursts",  Robert J. Nemiroff and his colleagues use scientific data to disprove the idea that space-time is "foamy" at the Planck scale. Apparently, this is really bad news for the aficionados of digital physics, phoilosophy, etc. 


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