Acoustic waves play many everyday roles -- from communication between people to ultrasound imaging. Now the highest frequency acoustic waves in materials, with nearly atomic-scale wavelengths, promise ...
Moth wing scales, which are used for camouflage against bats, act as ultrasound-absorbing metamaterials, according to a study. Bats track prey using ultrasound-mediated echolocation, and moth species ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback