Sound waves travel at approximately 750 mph at sea level, but slow down at higher altitudes. The speed of sound is called "Mach 1." Supersonic refers to speeds from Mach 1 to Mach 5 (1 to 5 times the ...

The most important mechanical wave to our everyday lives is sound. So how exactly do we hear? What is the definition of sound? The Definition of Sound The first thing we should understand about sound ...

Let's start off with the definition of sound. Sound is the vibrations of air that stimulate the ear to produce a signal in your brain. And it's these reconstructed vibrations—transformed into neural ...