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.
Quantum computers turned out to be more useful than expected in 2025
5 days ago · 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
At last, we are discovering what quantum computers will be useful for
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 military. …
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 classical computers in …
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, which explained that …
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 finally have an …
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 end of the …
Google says its quantum computer can reveal the structure of molecules
Oct 22, 2025 · A new quantum computing protocol may be able to augment a standard technique for understanding molecules in chemistry, biomedicine and materials science
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 having more …
AI could assemble a record-breaking quantum computer out of cold …
Jan 14, 2025 · Artificial intelligence could play a role in assembling the next largest quantum computer. The world’s largest known quantum computer has 1180 quantum bits, or qubits, made from …