Researchers have created crazy new headphone-free music tech that can beam sound waves directly into your ears.

However, by using acoustic metasurfaces – specialized materials that manipulate sound waves – we can shape ultrasound beams to bend as they travel. Similar to how an optical lens bends light ...

Audio enclaves are made using ultrasound waves, which are higher frequency than the sound waves we can hear. Two waves are passed through acoustic lenses that bend them, creating a curved path for the ...

However, by using acoustic metasurfaces – specialized materials that manipulate sound waves – we can shape ultrasound beams to bend as they travel. Similar to how an optical lens bends light ...

Positioned directly in front of each transducer is an "acoustic lens" known as a metasurface, which utilizes microstructures to bend the direction of the ultrasound waves passing through them.

“We use two ultrasound transducers paired with an ... By positioning the metasurfaces — acoustic lenses that incorporate millimeter or submillimeter-scale microstructures that bend the ...

it utilizes a portable machine to generate swirling ultrasound waves known as acoustic vortex beams. Instead of hitting the stones straight-on, as is the case with ESWL pulses, these beams spin ...

By positioning the metasurfaces - acoustic lenses that incorporate millimetre or submillimetre-scale microstructures that bend the direction of sound - in front of the two transducers, the ultrasonic ...

By positioning the metasurfaces — acoustic lenses that incorporate millimeter or submillimeter-scale microstructures that bend the direction of sound — in front of the two transducers, the ultrasonic ...