By combining ultrasound with a concept called nonlinear acoustics, you can create sound that stays silent until it reaches a ...

These waves travel through the air like normal sound waves but are ... It can transport sound through space silently – ...

Directing sound to a specific location is difficult because of how sound waves behave. As vibrations move through the air, ...

The film explains the fundamentals of acoustics, detailing how sound waves travel through air, the effects of temperature on sound speed, and the phenomenon of refraction. It describes the anatomy ...

CNN Travel’s weekly newsletter. Get news about destinations, plus the latest in aviation, food and drink, and where to stay. A newly released image shows the sound barrier being broken on ...

"It made me curious about how the wave ... we do every day," he said. "When I see something, I try to question why it happens." More information: Yicong Fu et al, Revealing the sound, flow ...

These waves then travel at the speed of sound away from the aircraft and rattle ... abilities while flying over oceans. So, how does the XB-1 get around this physical limitation?

When you shout at your friend across a field, say, the sound waves travel through the air between you two to reach your friend’s ears. The travel happens at a speed equal to the speed of sound ...