An old toy has inspired a powerful new weapon that could destroy submarines or annihilate tumours. Using a modified version of Newton's cradle, a series of stainless steel balls suspended by fishing ...

Scientists have created a powerful acoustic weapon called a "sound bullet" that could help kill cancer cells and down hostile submarines in war. Here's how the system is constructed: researchers lined ...

This article was written by Discover'sAndrew Moseman. Doctors already use concentrated sound waves to see through solid tissue and take a look inside the body, as with ultrasound scans. But in this ...

Researchers at the California Institute of Technology (Caltech) have built a device that produces highly focused, high-amplitude acoustic signals dubbed "sound bullets." Called a nonlinear acoustic ...

A machine that fires powerful "sound bullets" made from concentrated noise could be used to treat cancer, say scientists. Two researchers have devised a prototype "acoustic lens" that focuses sound ...

Acoustic lenses are employed in a variety of applications, from biomedical imaging and surgery to defense systems and damage detection in materials. Focused acoustic signals, for example, enable ...

A new machine inspired by a common office toy could one day allow doctors to zap cancerous tumors using "sound bullets," scientists say. Dubbed an acoustic lens, the device could also be used to ...

Taking inspiration from a popular executive toy ("Newton's cradle"), researchers have built a device -- called a nonlinear acoustic lens -- that produces highly focused, high-amplitude acoustic ...

Sound waves are used in many imaging applications, but they're often underpowered and hard to focus. But focus them into "sound bullets" and all sorts of interesting things happen. A paper published ...

Sound waves are commonly used in applications ranging from ultrasound imaging to hyperthermia therapy, in which high temperatures are induced, for example, in tumors to destroy them. In 2010, ...