Quantum News Briefs: April 17, 2024: Rigetti and Oxford Instruments Announce the Successful Completion of the Innovate UK Project to Launch One of the First UK-based Quantum Computers; Quantinuum achieves the historic “three 9's” 2-qubit gate fidelity in its commercial quantum computer, announcing that its Quantum Volume has surpassed one million; Oak Ridge National Laboratory Invests in IonQ’s Quantum Technologies to Drive Critical U.S. Infrastructure Improvements; Xanadu and South Carolina Quantum establish partnership to build the quantum workforce of tomorrow; "Europe plans to build 100-qubit quantum computer by 2026" - Inside Quantum Technology