Today’s quantum computing hardware is severely limited in what it can do by errors that are difficult to avoid. There can be problems with everything from setting the initial state of a qubit to ...

In September, Microsoft made an unusual combination of announcements. It demonstrated progress with quantum error correction, something that will be needed for the ...

Scaling to such numbers is a major challenge, as quantum computers suffer from inherent errors that increase rapidly with the number of qubits. For practical quantum computing, highly efficient ...

Microsoft and Quantinuum today announced a major breakthrough in quantum error correction. Using Quantinuum’s ion-trap hardware and Microsoft’s new qubit ...

Quantum bits are fussy and fragile. Useful quantum computers will need to use an error-correction technique like the one that was recently demonstrated on a real machine. In 1994, Peter Shor, a ...

Some observers have hailed the response to Covid-19 as a triumph for science. A hesitant triumph, perhaps. Full of missteps and recriminations, frustrations and death. Maybe more a hard-won victory.