As a result, researchers are exploring new and novel ways to dial down the volume. They are turning to highly specialized ...

Acoustic metamaterials could be used in many applications. Large versions could be used to direct or focus sound to a particular location and form an audio hotspot. Much smaller versions could be used ...

Metamaterials that mimic the order in matters have opened an exciting gateway to reach unprecedented physical properties and functionality unattainable from naturally existing materials. The "atoms" ...

Metamaterials that mimic the order in matters have opened an exciting gateway to reach unprecedented physical properties and functionality unattainable from naturally existing materials. The "atoms" ...

(c) Theoretical (lines) and measured (circles) acoustic resistance and reactance of the non-local metamaterial absorber. (d) Theoretical (lines) and measured (circles) absorption spectra of the ...