LRAD sound weapons at protests use focused acoustic beams up to 162 decibels that cause permanent hearing damage, but ...

Minnesota State Patrol troopers used a powerful sound system first used by the military in Maple Grove, Minnesota, to ...

In extreme cases, sonic weapons can cause nausea, dizziness, and even permanent damage. In this case, officials used it to ...

Engineers have demonstrated the world's first three-dimensional acoustic cloak. The new device reroutes sound waves to create the impression that the cloak and anything beneath it are not there. The ...

During protests in the USA, security authorities use LRAD systems for announcements and crowd control. How do these "sound cannons" work?

In our increasingly noisy world, it can be hard to find some quiet time. Now, a team of mechanical engineers at Boston University has developed a new device that is specially designed to block up to ...

Thermoacoustic devices harness rapid, periodic heating to drive oscillations in a surrounding fluid, thereby generating acoustic waves without the need for conventional moving parts. This technology ...

Acoustic lenses are remarkable devices that just got cooler. A recent presentation at SIGGRAPH 2019 showed that with the help of 3D printing, it is possible to build the acoustic equivalent of optical ...

The granted patent (Publication Number: US11924607B2) discloses an acoustic waterproof structure designed to protect electronic devices from water damage while maintaining sound quality. The structure ...

DURHAM, N.C. -- Using little more than a few perforated sheets of plastic and a staggering amount of number crunching, Duke engineers have demonstrated the world's first three-dimensional acoustic ...