A 20-year experiment at Fermilab precisely measured the muon's magnetism, aiming to detect inconsistencies hinting at new physics. Initial results showed a discrepancy with theoretical calculations, suggesting the existence of undiscovered particles. However, recent supercomputer simulations, using a 'blind' analysis, eliminated this discrepancy. While the initial hint of new physics has faded, a potential explanation involves a hypothetical 'dark photon' particle, which could also explain the connection between dark matter and ordinary matter.

Prepared by Olivia Bennett and reviewed by editorial team.