Metamaterials give sound a twist
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/02/ticker_soundrotator.jpg?fit=860%2C460&ssl=1)
Using metamaterials, scientists were able to build a device (illustrated here) that can rotate sound, a trick that may improve medical imaging.
J.Cheng/Nanjing University
Using metamaterials, scientists were able to build a device (illustrated here) that can rotate sound, a trick that may improve medical imaging.
J.Cheng/Nanjing University