A neurosurgical robot conducts simulated operation at the China International Fair for Trade in Services in Beijing, on Sept 3, 2021. (Photo/China News Service)

An online health consultancy platform is in operations in March in the Haidian district of Beijing. (Photo by Zou Hong/China Daily)

A model of the quality control equipment inserted with Huawei Shengteng AI chip is shown at the China International Fair for Trade in Services in Beijing, on Sept 3, 2021. (Photo/China News Service)

The computing power of quantum computers can grow exponentially as the number of controllable quantum bits increases. Unlike classical computer bits, which present data as either a 0 or a 1, quantum bits, or qubits, can exist in a superposition that allows them to represent a 0 or a 1 at the same time.