It’s been another rough year for China’s tech stocks. Billions have been wiped off the value of the country’s internet giants including Alibaba and Tencent and companies have posted their slowest growth rates on record. A Covid resurgence in China, which the government countered with its strict “zero-Covid” policy of […]

A ring of superconducting qubits can host “bound states” of microwave photons, wherever the photons are inclined to clump on neighboring qubit sites. Credit history: Google Quantum AI Applying a quantum processor, scientists made microwave photons uncharacteristically sticky. Following coaxing them to clump collectively into bound states, they learned that […]