Source: Latest Science News -- ScienceDaily
The ability to run multiple qubits at once without crosstalk errors directly addresses one of quantum computing's most stubborn engineering problems—decoherence and interference between adjacent qubits. Practical quantum computers need thousands of stable, coordinated qubits working in parallel; solving the simultaneous operation problem is a prerequisite for scaling beyond lab demonstrations into commercially viable systems. Companies like IBM and IonQ have made qubit count their public metric, but operational fidelity is the binding constraint, not raw qubit count.