Source-linked quantum computing news and analysis on hardware, research, applications, post-quantum security, business and policy.
Publication date where available; source report or sources-checked date otherwise.
You can design a small circuit at home and submit it to remote quantum hardware. The first lesson is telling a real chip from a simulation.
Blind quantum computing aims to hide your instructions and answer from the machine doing the work. A real experiment shows why that is more than a thought experiment.
A 2026 study tackles a much-discussed quantum-computing target without a quantum processor. The classical competition is not standing still.
Encrypted information stolen today could still matter years from now. That changes when organizations need to prepare.
A quantum annealer explored how an apparently stable state falls apart. Its “bubbles” stayed inside an engineered model, not our universe.
A continuously replenished array held more than 3,000 atoms for over two hours. The hard part is replacing them without disturbing their neighbors.
Researchers held one branch of an atomic wave still while another fell. Reuniting them revealed a distinctive gravitational phase.
A tiny Australian prototype can take in light, store energy and deliver electrical current. Its strangest trick is how it scales.
A 62-kilometer fiber link near Washington carried entanglement through a messy real-world environment. Reliability, not distance, is the story.
A new Chalmers method targets a slow step in controlling protected quantum information, not every calculation a quantum computer performs.
Sandia is guiding cold atoms along a 420-nanometer fiber—a step toward motion sensors that would not need a satellite signal.
Grover’s algorithm can cut the number of checks dramatically, but understanding what counts as a check explains both its promise and its limits.
In trapped-ion machines, getting the right qubits together can mean giving the atoms a carefully controlled commute.
An experiment with vibrating aluminum membranes shows how mechanical motion can join the quantum-information toolkit.
A missing atom can be useful hardware, and different diamond designs have very different ideas about staying cool.
Laser tweezers turn single atoms into movable quantum bits, and the resulting grid is something researchers can actually photograph.
The glamorous hardware in quantum-computer photos has a surprisingly practical job: keeping a tiny processor extraordinarily cold.
A 56-qubit machine and several supercomputers tackled a surprisingly tricky question: can you trust someone else’s digital coin toss?
Google’s qubits settled into an unusual repeating rhythm, giving researchers a new way to explore how matter behaves.
A simulated chip layout uses barriers and shuffled error-correction codes to keep one radiation hit from becoming a whole-chip problem.
The federal agreement targets ion-trap manufacturing and optical components, not a finished fault-tolerant computer.
A tiny energy deposit can spread trouble across a superconducting chip. Understanding those bursts takes researchers from particle detectors to underground laboratories.
Behind the futuristic hardware, familiar processors translate, rehearse and make sense of the experiment. Their job descriptions are surprisingly busy.
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A little perspective on a fast-moving field.
