New audio tech uses ultrasound to create isolated pockets of sound, enabling private listening without headphones.
"High Five" mission lifted off tonight (March 17) at 9:31 p.m. ET. Rocket Lab launched the final five satellites for the French company Kinéis' "Internet of Things" constellation tonight (March 17).
By combining ultrasound with a concept called nonlinear acoustics, you can create sound that stays silent until it reaches a specific location.
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