Record-breaking number of qubits entangled in a quantum computer
12 July 2023
A group of 51 superconducting qubits have been entangled inside a quantum computer, not just in pairs but in a complex system that entangles each qubit to every other one
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Premium
Microsoft says its weird new particle could improve quantum computers
21 June 2023
Researchers at Microsoft say they have created elusive quasiparticles called Majorana zero modes – but scientists outside the company are sceptical
IBM quantum computer beat a supercomputer in a head-to-head test
14 June 2023
Researchers at IBM pitted their 127-qubit Eagle quantum computer against a conventional supercomputer in a challenge to perform a complex calculation – and the quantum computer won
Quantum microphone works even better than a regular one
17 June 2022
By detecting tiny movements of particles of light, a quantum microphone has recorded human speech that is easier to understand than if it is captured by an equivalent classical version
Quantum communication system could detect earthquakes
17 May 2022
Quantum-encrypted messages sent through cables over long distances are sensitive to tiny vibrations, suggesting a possible by-product of a future secure network
Using microwave beams could let quantum computers be small but mighty
13 August 2021
A decades-old theory to simplify silicon quantum processors has been shown to work, potentially paving the way for vastly more powerful quantum devices
Google researchers made a time crystal inside a quantum computer
3 August 2021
A time crystal is a unique phase of matter that flips between two configurations with no energy input necessary – first proposed in 2012, this type of matter has now been created inside a quantum computer built by Google
Google demonstrates vital step towards large-scale quantum computers
14 July 2021
Google has shown that its Sycamore quantum computer can detect and fix computational errors, an essential step for large-scale quantum computing, but its current system generates more errors than it solves
China beats Google to claim the world's most powerful quantum computer
5 July 2021
A team in China has demonstrated that it has the world's most powerful quantum computer, leapfrogging the previous record holder, Google
Quantum data link established between two distant Chinese cities
21 June 2021
A secure quantum link has been created between two Chinese cities, allowing researchers to send entangled photons more than 500 kilometres using a relay hub in the middle that doesn't need to be trusted
