01-17-2025, 05:00 PM
To elaborate on 's point, the sounds we hear are really vibrations of the air reaching our eardrums. 
/b: Absolutely. And note that the speed of noise is different in different materials. For instance, noise waves travel faster in water than in air, and faster in steel than in water.
/b: Absolutely. And note that the speed of noise is different in different materials. For instance, noise waves travel faster in water than in air, and faster in steel than in water.