Twin ultrasound transducers create highly focused audio Curved sound waves aren't audible if you ... their Hypersound speakers which used transparent glass to create "highly directional audio".

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 ... as is loud music played from a smart speaker ...

That's when Dr. Amar Bose took a flight from Zurich to Boston and became frustrated that the noise of the plane drowned out the music ... every sound travels in the form of a wave, also called ...

This is called a sound wave. If your ears are close to the vibrations ... This clip will be relevant for teaching Science or Music in primary schools at Key Stage Two or Second Level (Scotland).