DARPA-Funded Research Leads to Quantum Computing Breakthrough. Harvard-led team develops novel logical qubits to enable scalable quantum computers. -- A team of researchers working on DARPA’s Optimization with Noisy Intermediate-Scale Quantum devices (ONISQ) program has created the first-ever quantum circuit with logical quantum bits (qubits), a key discovery that could accelerate fault-tolerant quantum computing and revolutionize concepts for designing quantum computer processors. The ONISQ pro