A programmable metamaterial has been developed that shatters the limits of old material science. US researchers at the ...

To overcome the challenges of operating in conditions such as fog, smoke or total darkness, the team is examining bio-inspired echolocation, which draws from how bats use ultrasonic sound waves to ...

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Video cameras continue to gain widespread use, but there are privacy and environmental limitations in how well they work. Acoustical waves are an alternative medium that may bypass those limitations.

Forget fad diets and sketchy supplements, your favorite song might be the key to staying thin. In a new study, Japanese researchers found that acoustic sound waves can influence how our cells behave — ...

IT may be of interest to give a preliminary account of what I believe to be a new method of producing acoustic spectra. The method, which is to employ the striations on “variable-density” sound-film ...