What if you could listen to music or a podcast without headphones or earbuds and without disturbing anyone around you? Or ...

(Credit: The Action Lab) Using a fairly beefy speaker ... Using an air vortex cannon to focus the sound waves from the bass reflex port, it ‘wiggles’ the flame out in a matter of seconds ...

“Second sound is the hallmark of superfluidity, but in ultracold gases so far you could only see it in this faint reflection ...

As a result, researchers are exploring new and novel ways to dial down the volume. They are turning to highly specialized ...

trumpet the sound from the trumpet comes from a vibrating column of air created by buzzing lips of the trumpeter A sound wave is a longitudinal wave. When an object vibrates it produces a ...

NASA teams on the ground at Mojave Space and Air Port in California used Schlieren photography — a process for photographing fluid flow. It is widely used in aeronautical engineering ...