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.
IBM says it will build a practical quantum supercomputer by 2029
Jun 10, 2025 · The company has unveiled new innovations in quantum hardware and software that researchers hope will make quantum computing both error-proof and useful before the end of the …
Best quantum 'transistor' yet could lead to more accurate computers
Jun 2, 2025 · Microwaves can control a single quantum bit more precisely than ever before, creating a device similar to a quantum transistor – and potentially making quantum computers more reliable
IBM will release the largest ever quantum computer in 2025
Dec 30, 2024 · Following successful early demonstrations of linking two quantum computing chips, IBM is aiming to break records for the largest quantum computer yet by combining many of them in parallel
The radical idea that space-time remembers could upend cosmology
Jun 16, 2025 · It has also helped tackle a key problem in quantum computing – and there are glimmers of bigger breakthroughs on the horizon. So let me tell you how I think space-time really works.
What does quantum theory really tell us about the nature of reality?
Apr 15, 2025 · For 100 years, quantum theory has painted the subatomic world as strange beyond words. But bold new interpretations and experiments may help us to finally grasp its true meaning
Quantum computers teleport and store energy harvested from empty …
Sep 17, 2024 · A quantum computing protocol makes it possible to extract energy from seemingly empty space, teleport it to a new location, then store it for later use
Quantum money that uses the mathematics of knots could be …
Jan 7, 2023 · Quantum money underpinned by the mathematics of knots could be impossible to forge. In a quantum monetary system, money is represented as a collection of quantum bits – qubits – on a …
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 having more …
How quantum entanglement really works and why we accept its …
May 22, 2024 · Physics How quantum entanglement really works and why we accept its weirdness Subatomic particles can appear to instantly influence one another, no matter how far apart they are.