When you hear "brain-computer interface," you probably picture surgery, wires and a chip in your head. Now picture something quieter. No implant. No incision. Just sound waves directed at the brain.

Brain-computer interface technology has long belonged to the realm of science fiction, but it’s quickly emerging as a real-world innovation with the potential to transform how we live, work and ...

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Danny Lewis: Welcome to Tech News Briefing. It's Thursday, October 31st. I'm ...