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.
New quantum computer is on the path to unravelling superconductivity
Nov 5, 2025 · Using the Helios-1 quantum computer, researchers have used a record-breaking number of error-proof qubits to run the first and biggest quantum simulation of a model for perfect conductivity
At last, we are discovering what quantum computers will be useful for
Jun 23, 2025 · Physics At last, we are discovering what quantum computers will be useful for Quantum computers have been hyped as machines that can solve almost any problem.
IBM will release the largest ever quantum computer in 2025
Dec 30, 2024 · IBM is planning to build the largest quantum computer so far, by linking together smaller machines to create one with a recording-breaking number of quantum bits, or qubits. The firm’s first ...
Quantum computers are finally on the verge of being useful
Sep 18, 2025 · For all the hype surrounding quantum computers, the technology can sometimes appear to be a solution in search of a problem. Scientifically impressive, but not yet obviously useful in the …
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 …
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 …
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 new quantum …
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 – what does it all …
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 …