Beyond qubits: Meet the qutrit (and ququart) / Amazon joins quantum race with 'cat qubit' powered chip / How Schrodinger's cat could help improve quantum computers / Quantum-computing technology that makes qubits from atoms wins mega investment / Qubits to qudits: Using quantum mechanics to transmit information more securely / Alice&Bob raises $104M, says quantum computers based on cat qubits will be ready by 2030 / Quantum computing researchers develop an 8-photon qubit chip / Author Correction: Quantum control of a cat qubit with bit-flip times exceeding ten seconds / How Schrodinger's cat could make quantum computers work better / Quantum control of a cat qubit with bit-flip times exceeding ten seconds