Superconducting qubits—bits of quantum information—have been widely considered a promising technology for moving quantum ...

For the past decade, quantum computing has struggled to balance promise and practicality. While the world’s most advanced systems remain engineering marvels, they’re bedeviled by the same flaw: the ...

Quantum computing is a largely theoretical, ultimately expensive proposition for high-level computation. However, new ...

Quantum dot–based time-bin QKD achieves stable, long-distance secure communication with practical performance.

Google published a paper on March 31 that states that Bitcoin's cryptography could be impacted by quantum computing sooner than previously stated.