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.

2025年9月19日 · Technology Quantum computers have finally achieved unconditional supremacy For the first time, researchers have mathematically proven that a quantum computer needs less …

2025年12月19日 · Rapid advances in the kind of problems that quantum computers can tackle suggest that they are closer than ever to becoming useful tools of scientific discovery

4 天之前 · A quantum computer capable of breaking the encryption that secures the internet now seems to be just around the corner. Stunning revelations from two research teams outline how it could …

2026年3月13日 · Technology The race to solve the biggest problem in quantum computing The errors that quantum computers make are holding the technology back.

2026年2月3日 · Technology Nobel laureate says he'll build world’s most powerful quantum computer John Martinis has already revolutionised quantum computing twice. Now, he is working on another …

2026年1月16日 · The quantum computing industry has seen many scientific achievements this past year, and the field is now worth more than $1 billion – a figure projected to double within the next two …

2025年11月21日 · 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, which …

2026年2月25日 · The amount of quantum computing power needed to crack a common data encryption technique has been reduced tenfold. This makes the encryption method even more vulnerable to …

2025年8月22日 · Chris Langer at the quantum computing company Quantinuum, which has previously demonstrated quantum advantage with a different type of quantum computer, says this is a …