The range of materials that concrete contains scatters normal sound waves, making clear imaging difficult to obtain.

Mishkat Bhattacharya receives funding from the Office of Naval Research, United States Nick Vamivakas receives funding from the Office of Naval Research, United States. Most people are familiar with ...

Concrete structures like roads and bridges require nondestructive testing methods to identify interior defects without destroying their structure. Most methods send sound waves into the material and ...

Can you imagine sound travels in the same way as light does? A research team at City University of Hong Kong (CityU) discovered a new type of sound wave: the airborne sound wave vibrates transversely ...

Settling a half century of debate, researchers have discovered that tiny linear defects can propagate through a material faster than sound waves do. These linear defects, or dislocations, are what ...

A research team at City University of Hong Kong (CityU) has discovered a new type of sound wave: the airborne sound wave vibrates transversely and carries both rotation and orbital angular momentum ...

Ultrasonic waves can help clean items around your home, but which products are best? Here are 12 types of tools that leverage ...