China has made the second successful invasive brain-computer interface (BCI) clinical trials in Shanghai. A high paraplegia patient who suffered a spinal cord injury in 2022 received the implantation of a BCI system this year. The patient was only able to move his head and neck after a year’s rehabilitation. Now he is able to steer a wheelchair for a stroll and command a robotic dog to retrieve takeout food using only his thoughts. Researchers have successfully expanded the system from “two-dime