- Scientists Create Sound That Can Curve Through a Crowd and Reach Just One Person Futurism
- ‘Audible enclaves’ could enable private listening without headphones psu.edu
- Researchers created sound that can bend itself through space, reaching only your ear in a crowd The Conversation
- Crazy new tech beams music directly into your ears, no headphones required BGR
- Will the ultrasonic bundles retire headphones and earphones? Evidence Network
