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 ...

This paper describes the fundamental principles of operation of a mixture injection system now called the Compression Wave Injection system (CWI). The system has been initially designed for use in ...

Working with some unusual accessories (including canary birds, guppiesand nervous women), Inventor S. Young White is digging into a complexstudy called ultrasonics.* Last week, in Audio Engineering, ...

Heat is not supposed to behave like this. In everyday life, warmth seeps and diffuses, spreading from hot to cold in a slow, smearing process that never looks anything like a crisp sound wave. Yet ...

It’s a question I’m sure was keeping you up at night: can you make an object spin with a sound wave? The answer, generally speaking, used to be no. Now, though, mechanical engineers have taken a look ...

Usama Kadri receives funding from the Leverhulme Trust: Research Project Grant number 523930. Many devices have been designed to capture and convert waves’ great power into electricity, but today’s ...