Macroscopic Quantum Tunneling: When Circuits Cross the Quantum Frontier

  Introduction: From Quantum Curiosity to Strategic Technology Quantum mechanics has long been associated with the invisible world of atoms and subatomic particles, a domain governed by probabilities, wavefunctions, and counterintuitive phenomena. Over the past two decades, however, this theoretical framework has evolved into a foundation for real-world technologies, including quantum computing, ultra-sensitive sensing, and…