Jun 30, 2026 Trapped-ion qubits: one real atom, doing two jobs Jun 30, 2026 Superconducting qubits: the circuit that fakes an atom Jun 30, 2026 Photonic qubits: computing with light that barely interacts Jun 30, 2026 Other qubit platforms: silicon spins, diamond defects, and a qubit that may not exist Jun 30, 2026 Neutral-atom qubits: a thousand atoms in a lattice of light Jun 30, 2026 How to build a quantum computer: five ways to make a qubit