Physicists have made an array of 6,100 neutral-atom qubits held in place by lasers, marking a dramatic increase in potential quantum computing size. Nevertheless, the qubits have not yet been entangled, and cannot operate as a computer until this occurs. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

The bits in classical computers can either represent ones or zeros, but qubits can combine both states at once in infinite combinations. Although for some processes this provides no advantage, for others it should theoretically enable problem solving almost infinitely faster than using the classical approach.

For 30 years, predictions that quantum computing will revolutionize information processing have come with an implication that t

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