Scientists at the University of the Witwatersrand (Wits) have developed a “light-powered brain” that can recognize hidden information in complex patterns of light, potentially paving the way for faster communications systems.Scientists at the University of the Witwatersrand (Wits) have developed a “light-powered brain” that can recognize hidden information in complex patterns of light, potentially paving the way for faster communications systems.Telecom[#item_full_content]