A new study published in Nature demonstrates a significant breakthrough in quantum computing. Researchers have successfully created a quantum processor with 256 qubits that maintains quantum coherence for a record duration, a critical step toward practical quantum advantage. The team utilized a novel error-correction protocol that dramatically reduces computational errors, addressing a major hurdle in the field. While still in the experimental phase, this advancement brings fault-tolerant quantum computers closer to reality, with potential applications in materials science, cryptography, and complex system modeling. The full details of the research are available in the latest issue of Nature. Read the full article at https://sciencedaily.com/releases/2024/10/quantum-breakthrough-256-qubits.