German scientists say they’ve found a way to tell whether or not our universe is a giant computersimulation - and that there’s evidence to suggest that it is.
The basis of the idea is that, if the universe is a simulation, then it would have certain observable constraints.
The laws of physics, which appear continuous, would have to be superimposed onto a discrete three-dimensional lattice which advances in steps of time.
This lattice spacing, says Professor Silas Beane of the University of Bonn, would impose an otherwise unnecessary limit on the energy that particles can have, because nothing can exist that is smaller than the lattice itself.
And, he says, precisely such a a cut-off in the spectrum of high energy particles exists: a limit to the energy of cosmic rays known as the Greisen–Zatsepin–Kuzmin (GZK) cut-off. High energy particles interacting with the cosmic microwave background lose energy as they travel across long distances. Sigue leyendo
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