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
Quantum twist on common computer algorithm promises useful speed boost
12 July 2023
Quantum computers have been shown to solve some problems faster than ordinary computers, but so far all these problems have had little application. A quantum Monte Carlo algorithm could change that
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
Quantum computers could slash the energy use of cryptocurrencies
20 June 2023
Mining cryptocurrencies like bitcoin could be done using quantum computers, cutting their electricity use by 90 per cent
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
Sound-based quantum computers could be built using chip-sized device
8 June 2023
A chip-sized device can manipulate particles of sound in a way that mimics how particles of light are used in light-based quantum computers, opening the door for building sound-based quantum computers
'Fluxonium’ is the longest lasting superconducting qubit ever
25 May 2023
A fluxonium qubit can keep its most useful quantum properties for about 1.48 milliseconds, drastically longer than similar qubits currently favoured by the quantum computing industry
Sound vibrations can encode and process data like quantum computers do
19 May 2023
A simple mechanical system built from aluminium rods uses vibrations to encode information, mimicking quantum computing in a non-quantum system
AI can work out how quantum computers stack up to one another
12 May 2023
Comparing the properties of qubits in different quantum computers is challenging, but AI can tell them apart even when the state of the qubits is 98 per cent similar
Superconducting qubits have passed a key quantum test
10 May 2023
A Bell test can confirm whether two systems are truly entangled – it has now been used to confirm entanglement between qubits in a superconducting circuits
