An MIT student has created a device that you can speak to without actually speaking... How does it work?
Aside from watching the video below here are some details:
-AlterEgo is a wearable system that allows a user to silently converse with a computing device without ANY voice or discernible movements. AlterEgo allows the user to communicate with devices, AI assistants, applications, or other people in SILENCE! Check out the video below for a demo: