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 ...

Sound wave is the disturbance of some patterns caused by the movement of energy travelling through a medium as it propagates away from the source of the sound. Therefore, it is a mechanical wave that ...

The sensation felt by our ears is called sound. It is a form of energy which makes us hear. We hear several sounds around us in our everyday life. We know that sound travels in the form of wave. A ...