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  1. What is a quantum computer? - New Scientist

    In a quantum computer, the basic unit of memory is a quantum bit or qubit. Qubits are made using physical systems, such as the spin of an electron or the orientation of a photon.

  2. 'Spectacular' progress has been made towards useful quantum …

    5 days ago · At the Q2B Silicon Valley conference, scientific and business leaders of the quantum computing industry hailed "spectacular" progress being made towards practical devices – but …

  3. At last, we are discovering what quantum computers will be useful …

    Jun 23, 2025 · Over the past decade, quantum computing has grown into a billion-dollar industry. Everyone seems to be investing in it, from tech giants, such as IBM and Google, to the US …

  4. Quantum computers need classical computing to be truly useful

    Nov 21, 2025 · A vital ingredient for making quantum computers truly useful just might be conventional computers. That was the message from a gathering of researchers this month, …

  5. Quantum computers are finally on the verge of being useful

    Sep 18, 2025 · And it is markedly different to the way quantum computing is often presented, where the emphasis is on experiments that showcase quantum computers outperforming …

  6. Quantum computers have finally achieved unconditional supremacy

    Sep 19, 2025 · What can quantum computers do that their traditional counterparts absolutely cannot? This is one of the biggest questions facing the fast-growing industry, and now we …

  7. Record-breaking quantum computer has more than 1000 qubits

    Oct 24, 2023 · The world’s first quantum computer to exceed 1000 qubits has more than double that of the previous record holder, IBM’s Osprey machine, which has 433 qubits. Though …

  8. IBM says it will build a practical quantum supercomputer by 2029

    Jun 10, 2025 · The company has unveiled new innovations in quantum hardware and software that researchers hope will make quantum computing both error-proof and useful before the …

  9. Another quantum computer reached quantum advantage – does it …

    Aug 22, 2025 · Chris Langer at the quantum computing company Quantinuum, which has previously demonstrated quantum advantage with a different type of quantum computer, says …

  10. Is Google's new Willow quantum computer really such a big deal?

    Dec 9, 2024 · Google has unveiled a new quantum computer and is once more claiming to have pulled ahead in the race to show that these exotic machines can beat even the world’s best …