This is a very popular video on the internet right now. It shows this awesome set up that uses sound to levitate very low density and small objects. I think this is a great opportunity to talk about ...

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 ...

Deep inside Earth, researchers see signs that the solid inner core may be arranged in multiple chemical layers far below.

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, ...