A new invention has proven that audio can successfully be transmitted directly to a listener's ears without being audible to others around.
Learn about localized audio spots, dubbed "audible enclaves," which can be placed with pinpoint accuracy while remaining ...
By combining ultrasound with a concept called nonlinear acoustics, you can create sound that stays silent until it reaches a ...
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IEEE Spectrum on MSNUltrasonic Beams Create Private Sound PocketsUltrasonic beams fired through a 3D-printed metasurface can create localized pockets of sound that are inaudible to ...
For the first time, MIT scientists have successfully imaged how heat actually travels in a wave, known as a “second sound,” ...
As the new Covid-19 sub-variant ‘Eris’ spreads fast in the UK, there are concerns as to whether a fresh Covid wave can be caused in India and other countries. The World Health Organisation has urged ...
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