
What is a quantum computer? - New Scientist
Quantum computers are machines that use the properties of quantum physics to store data and perform computations. This can be extremely advantageous for certain tasks where they could …
Quantum computers turned out to be more useful than expected …
Dec 19, 2025 · Columnist and Technology Quantum computers turned out to be more useful than expected in 2025 Rapid advances in the kind of problems that quantum computers can tackle …
At last, we are discovering what quantum computers will be useful …
Jun 23, 2025 · This is because quantum computers, themselves a system of quantum objects, are perfectly suited to simulate other quantum systems, such as electrons, atoms and molecules.
Qubit breakthrough could make it easier to build quantum …
May 29, 2025 · A Canadian quantum computing start-up claims its new qubit will enable much smaller and cheaper error-free quantum computers. But getting there will be a steep …
Could 2026 be the year we start using quantum computers for …
Dec 31, 2025 · Whether quantum computers can actually solve practical problems is one of the biggest unanswered questions of this growing industry – and one that might be answered by …
IBM has unveiled two unprecedentedly complex quantum computers
Nov 12, 2025 · As a contender in the race to build an error-free quantum supercomputer, IBM has been taking a different tack than its most direct competitors. Now, the firm has unveiled two …
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 …
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 …
A strange kind of quantumness may be key to quantum …
Jan 5, 2026 · What is it about quantum computers that makes them more powerful than conventional machines? A new experiment shows that the property of “quantum contextuality” …
What makes a quantum computer good? - New Scientist
Oct 13, 2025 · Claims that one quantum computer is better than another rest on terms like quantum advantage or quantum supremacy, fault-tolerance or qubits with better coherence – …