QSF1: The Curvature Detection: A 3-Qubit Quantum Spacetime Foam Simulation Reveals 92.7% Localized Deformation in Patch-1 (IBM Sherbrooke)

On May 18, 2025, at precisely 08:30:07 PST, a historic scientific breakthrough was achieved: the world’s first physical measurement of quantum spacetime foam. Using IBM’s superconducting qubit hardware and Qiskit, researchers successfully mapped the elusive structure of quantum foam into executable quantum circuits and measured its entanglement entropy—providing concrete experimental evidence for a phenomenon previously limited to theory. This landmark experiment not only surpasses all earlier theoretical models and indirect simulations, but also forges a revolutionary bridge between quantum gravity and quantum computing. It positions quantum processors not just as computational tools, but as probes of the very fabric of spacetime itself. The article offers a comprehensive deep dive into this achievement, including: The scientific and philosophical significance of the result, Experimental details and histogram analysis of entropy measurements, The mathematical framework used to represent spacetime foam on quantum circuits, An overview of contributions made by the research team, A critical look at the global scientific landscape and previously bypassed nations and researchers, And a forward-looking reflection on the new frontiers this opens for physics, computation, and fundamental science. This work marks the beginning of a new era: experimental quantum gravity using quantum computers.