Quantum computing startup says it will leapfrog everybody
Summary
Ars Technica outlines QuEra's ambitious roadmap to build a quantum computer with thousands of error-corrected qubits by 2029, supported by a partnership with Amazon to host a production system by 2028. The plan hinges on aggressive error-correction and reducing hardware qubits per logical qubit, but faces significant engineering challenges in control electronics, real-time error correction, and scalable compilers. The article also notes prior demonstrations of multi-thousand-qubit systems and frames QuEra's transition from NISQ devices toward fault-tolerant scaling, with skepticism about achieving the stated timelines.