Their findings, published in Nature Physics, also revealed a sharp transition between chaotic and controlled quantum behavior.

This approach, known as quantum error correction, forms the foundation of fault-tolerant quantum computing.

IBM researcher Maika Takita said the experiment coordinated quantum operations, measurements, and resets thousands of times across a large system.

The demonstration does not establish a fully fault-tolerant quantum computer.

However, it shows that present-day hardware can repeatedly intervene in a quantum system while operations continue, bringing scalable quantum computing closer to a central engineering goal.