← Back to context Comment by newsclues 10 hours ago Haven’t these existed before for military purposes? 1 comment newsclues Reply elric 10 hours ago I remember reading about tongue based sonar for divers, where the output of the sonar would stimulate electrodes on various parts of the tongue to indicate relative direction.
elric 10 hours ago I remember reading about tongue based sonar for divers, where the output of the sonar would stimulate electrodes on various parts of the tongue to indicate relative direction.
I remember reading about tongue based sonar for divers, where the output of the sonar would stimulate electrodes on various parts of the tongue to indicate relative direction.