Last fall, students nominated Physics Professor Ed Kinney for an ASSETT Award of Excellence for Outstanding Teacher for Technology in Teaching in Physics 1240 Sound and Music. Students wrote that the ...

In the new device, an array of 256 speakers, each about 1 centimeter wide, faces another, identical speaker array across a distance of 23 centimeters. The speakers emit sound waves at frequencies too ...

An array of miniature turntables could offer a powerful new way to control the flow of sound. The proposed device, reported in the March 20 Physical Review Letters, would channel sound waves in a ...