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.
The first quantum computer to break encryption is now shockingly close
6 days ago · A quantum computer capable of breaking the encryption that secures the internet now seems to be just around the corner. Stunning revelations from two research teams outline how it …
Quantum computers turned out to be more useful than expected in 2025
Dec 19, 2025 · Columnist and Technology Quantum computers turned out to be more useful than expected in 2025 Rapid advances in the kind of problems that quantum computers can tackle …
The race to solve the biggest problem in quantum computing
Mar 13, 2026 · Technology The race to solve the biggest problem in quantum computing The errors that quantum computers make are holding the technology back.
Nobel laureate says he'll build world’s most powerful quantum computer
Feb 3, 2026 · Technology Nobel laureate says he'll build world’s most powerful quantum computer John Martinis has already revolutionised quantum computing twice. Now, he is working on another radical …
Quantum computers are finally on the verge of being useful
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 …
Google says its quantum computer can reveal the structure of molecules
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 chemistry and …
Qubit breakthrough could make it easier to build quantum computers
May 29, 2025 · A Canadian quantum computing start-up claims its new qubit will enable much smaller and cheaper error-free quantum computers. But getting there will be a steep challenge. To correct its …
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 …
Breaking encryption with a quantum computer just got 10 times easier
Feb 25, 2026 · The amount of quantum computing power needed to crack a common data encryption technique has been reduced tenfold. This makes the encryption method even more vulnerable to …