Acoustic lenses are remarkable devices that just got cooler. A recent presentation at SIGGRAPH 2019 showed that with the help of 3D printing, it is possible to build the acoustic equivalent of optical ...
The Korea Research Institute of Standards and Science (KRISS, President Lee Ho Seong) has developed a detachable acoustic lens that allows for easy adjustment of the focal length in ultrasonic ...
In a cover article in The Journal of Applied Physics, a team of Penn State researchers has designed and computationally tested a type of manmade metamaterial capable for the first time of manipulating ...
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