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.

Sep 18, 2025 · Two experiments with different quantum computers showcase their growing ability to simulate materials and quantum matter that have so far proven elusive in the lab

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.

Feb 11, 2025 · John Preskill has been guiding the growing quantum computing industry for decades, and now he has set a new challenge – to build a device capable of a million …

Apr 15, 2025 · Physics What does quantum theory really tell us about the nature of reality? For 100 years, quantum theory has painted the subatomic world as strange beyond words.

What is quantum physics? Put simply, it’s the physics that explains how everything works: the best description we have of the nature of the particles that make up matter and the forces with ...

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 – …

Aug 18, 2023 · IBM has managed to dramatically reduce the number of quantum bits, or qubits, required to prevent errors in a quantum computer.

Dec 18, 2024 · A quantum computing start-up is developing its own operating system to run quantum machines, akin to Microsoft Windows or macOS on a standard computer. The …

Apr 3, 2024 · Microsoft and the quantum computing firm Quantinuum claim to have made a quantum computer that has an unprecedented level of reliability.