
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 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 …
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. …
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 …
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 …
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 …
Nobel prize for physics goes to trio behind quantum computing chips
Oct 7, 2025 · The 2025 Nobel prize in physics has gone to John Clarke, Michel Devoret and John Martinis, whose work has led to the development of today's quantum computers
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.
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 …