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![IonQ says its record-breaking quantum computer is most powerful ever 1 Quantum computer](https://images.newscientist.com/wp-content/uploads/2020/10/01122030/1-oct_ionq.jpg?width=300)
Kai Hudek, IonQ
There is yet another contender for most powerful quantum computer ever. IonQ has announced a new machine with 32 quantum bits, or qubits, that the firm says is more practically powerful than any of its competitors.
Unlike ordinary bits, which can store only a 0 or 1, qubits can store a combination of these states, allowing quantum computers to process far more information. IonQ’s machine doesn’t have more qubits than any other computer, but the firm says its quantum volume – a metric coined by IBM …
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