ONLY on Limitless: Muon Scans Reveal Secret Chamber Above the Grand Gallery Shaun explains how muon tomography, using cosmic-ray particles that pass through stone like an X-ray, has revealed new secrets of the Great Pyramid. The scans confirmed the North Face Corridor and, even more exciting, uncovered a much larger hidden void above the Grand Gallery. The technology proves there’s still more to find, but the big question is: what’s inside that massive space? Full Episode: https://youtu.be/fJn5J