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 · Technology Quantum computers are finally on the verge of being useful Two experiments with different quantum computers showcase their growing ability to simulate materials …

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 quantum operations, or …

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.

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

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 ...

Jun 10, 2025 · In less than five years, we will have access to an error-free quantum supercomputer – so says IBM. The firm has presented a roadmap for building this machine, called Starling, slated to be ...

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

Quantum mechanics is the best tool we have to understand how the universe works on its smallest scales. Everything we can see around us, from far-off galaxies to our own bodies, is made up of ...

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 ...