Is it conceivable for a comparably modest diesel-electric submarine to evade the multiple layers of defense of a U.S. Navy ...

Staying ahead of the freight market just got easier. We’re excited to roll out a new enhancement to our charting experience: ...

New architecture could be used to create tailored devices that emit or receive only certain frequencies of sound ...

When a drummer hits a drum, the surface vibrates and creates sound—a signal we recognize as music. But once those vibrations ...

In the quiet depths of Türkiye’s Blue Homeland, a new chapter of national defence and engineering unfolds beneath the waves.

When NATO leaders met last week, they repeated familiar warnings about Russia, China and Iran. But one threat did not make ...

We typically imagine echolocation as “seeing” with sound—experiencing auditory signals as a world of images like the ones our ...

Histotripsy: How MountainStar Healthcare’s St. Mark’s Hospital can destroy liver tumors using sound waves The future of non-invasive cancer therapy is bright ...

Imagine a layer of the ocean so teeming with life that, when first discovered, scientists mistook it for the seafloor. This ...

UChicago Medicine is using a new technology to destroy liver tumors without radiation, chemotherapy or even cutting the skin.

STRIKE a metallic object, and you’ll hear a sharp clang. Knock on wood, and you get a dull thunk. It’s the basic principle behind sonar – sound waves reflecting off different objects.