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.
At last, we are discovering what quantum computers will be useful …
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.
Quantum computers turned out to be more useful than expected …
4 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
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. …
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 …
Google says its quantum computer can reveal the structure of …
Oct 22, 2025 · Researchers at Google Quantum AI have used their Willow quantum computer to help interpret data from Nuclear Magnetic Resonance (NMR) spectroscopy, a mainstay of …
Microsoft under fire for claiming it has a new quantum computer
Mar 10, 2025 · Researchers have criticised Microsoft's new Majorana 1 quantum computer, saying the company has made claims about the way it works that aren't fully backed up by …
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 – …
Is Google's new Willow quantum computer really such a big deal?
Dec 9, 2024 · Google has unveiled a new quantum computer and is once more claiming to have pulled ahead in the race to show that these exotic machines can beat even the world’s best …
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 …