Quantum circuits are supposed to gain power as they grow longer, but noise changes the picture. A new study finds that earlier steps in these circuits gradually lose their impact, with only the final ...

The quantum layer will will not be exhausted by one hardware modality, one algorithmic framework or one vendor’s roadmap.

Quantum computers, computing systems that process information using quantum mechanical effects, could outperform classical computers on some computational tasks. These computers rely on qubits, the ...

The clock is ticking on cryptocurrency.

Future quantum computers will need to be less powerful than we thought to threaten the security of encrypted messages.

Two research groups say they have significantly reduced the amount of qubits and time required to crack common online ...

Quantum computers will likely be able to crack current encryption algorithms earlier than once thought, posing a serious ...

Caltech researchers cut quantum computing qubit estimates by 100x, putting encryption-breaking quantum computers theoretically within reach this decade.

Quantum computing lags behind AI growth creating urgent gap in computation energy scalability and future technological ...

Google's quantum paper made headlines with that number. Here's what it means, what's actually at risk, and why 6.9 million ...