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 ...

(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 ...

We’ve already seen sound waves do some pretty amazing things ... but a video showing the technique in action is probably the best way to understand its capabilities. The system is uses a ...

Meteorologist David Tilmans explains why sound waves will travel farther on a cold, sunny day than on a clear, warm day.