"Our quantum error-correcting code has a greater than 1/2 code rate, targeting hundreds of thousands of logical qubits," explains Kasai. "Moreover, its decoding complexity is proportional to the ...

THE AGE of quantum computing is coming closer, presenting both an opportunity and a risk for individuals, companies and governments. Host Alok Jha explores why quantum computers threaten to crack the ...

Quantum computing firm D-Wave says its devices can solve problems that would be virtually impossible for classical computers – but two separate research groups have now cast doubt on the claim. That ...