Nature magazine reported on the 23rd that a new neuromotor bracelet launched by Meta, an American company, allows users to interact with computers through gestures such as handwriting. This device converts electrical signals generated by muscle movements in the wrist into computer commands without the need for personalized calibration or invasive surgery. This achievement marks a major breakthrough in the application of high-performance bio-signal decoders, which can make human interaction with computers smoother and expand accessibility.