Fig. 3From: Directly wireless communication of human minds via non-invasive brain-computer-metasurface platformExperimental implementation of the wireless text-communication. a The system architecture of the wireless text-communication experiment. b The illustration of the working mechanism of transmitting and receiving parts. c The experiment scenario of the wireless text-communications directly through EBCM, where a foam board is placed between two operators to verify the wireless propertiesBack to article page