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Microsoft Reveals New Quantum Chip Made with AI, Says It Will Have Systems by 2029

  • On Tuesday, Microsoft unveiled its Majorana 2 quantum chip, achieving a 20-second parity lifetime—a more than 1000x improvement in stability over its predecessor, Majorana 1.
  • Microsoft Discovery's agentic AI analyzed nearly two decades of experimental data, guiding researchers to replace aluminum with lead as the superconductor—a material that shields qubits from cosmic disturbances.
  • Zulfi Alam, corporate vice president of Microsoft Quantum, stated, "We will have a quantum machine in 2029 that can solve commercially viable, reasonable problems," aligning with IBM's $10 billion quantum investment announced last month.
  • Physicist Henry Legg of the University of St Andrews cautioned the preprint lacks peer review, stating, "Nothing in this preprint resolves the fundamental issues," while Microsoft cites commercial confidentiality for restricting full data access.
  • Microsoft is collaborating with the U.S. Defense Advanced Research Projects Agency to validate its utility-scale quantum concept while competing globally against Google and Amazon in the race to deliver commercially viable quantum systems.
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Science broke the news on Tuesday, June 2, 2026.
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