At a tech forum in Beijing last week, a Chinese company unveiled a “homegrown” brain-computer interface that allowed a monkey to seemingly control a robotic arm just by thinking about it. In a video shown at the event, a monkey with its hands restrained uses the interface to move a robotic arm and grasp a strawberry. The system, developed by NeuCyber NeuroTech and the Chinese Institute for Brain Research, involves soft electrode filaments implanted in the brain, according to state-run news media outlet Xinhua. Researchers in the US have tested similar systems in paralyzed people to allow them to control robotic arms, but the demonstration underscores China’s progress in developing its own brain-computer interface technology and vying with the West. Brain-computer interfaces, or BCIs, collect and analyze brain signals, often to allow direct control of an external device, such as a robotic arm, keyboard, or smartphone. In the US, a cadre of startups, including Elon Musk’s Neuralink, are aiming to commercialize the technology.