In 2012, physicists Silas Beane, Zohreh Davoudi, and Martin Savage asked whether one specific kind of simulated universe could leave a measurable trace. Their proposal did not claim that reality had been proven artificial. Instead, it assumed a universe computed on a spatial lattice, similar to numerical grids used in particle physics, and asked whether ultra-high-energy cosmic rays could reveal that structure.

The crucial measurement already existed. The HiRes and Pierre Auger observatories had found that the flux of the highest-energy cosmic rays falls sharply above roughly four times ten to the nineteenth electron volts. Beane, Davoudi, and Savage showed that this observation could constrain the spacing of a particular lattice model. They also proposed a more distinctive test: a grid might break rotational symmetry, leaving a directional pattern in the sky.

But the cosmic-ray suppression had a major established physical explanation decades before simulation theory entered the discussion. In 1966, Kenneth Greisen, Georgiy Zatsepin, and Vadim Kuzmin predicted that extreme-energy particles would lose energy while crossing cosmic background radiation. Later observatory data supported a real suppression, while Auger’s measured large-scale dipole pointed toward an extragalactic origin rather than a cubic computational grid.

This episode examines Nick Bostrom’s philosophical argument, the cosmic-ray measurements, quantum-eraser claims, proposed simulation tests, and the difference between testing a defined model and proving reality is artificial. No documented record shows that these investigations were banned, classified, or deliberately obstructed.

This podcast uses artificial intelligence in its research, writing, production, and narration. Episodes are editorially reviewed before publication.

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YES OR NO: Do cosmic-ray observations support a grid-based simulated universe?