This is known as the Doppler effect. The closer together the waves, the greater their frequency—that is, the more often they hit our ears. It's the frequency of a sound that allows us to ...

In light waves this happens extremely fast ... On their epic album Dark Side Of The Moon synthesizers replicate the sound of the Doppler Effect in On The Run, with broad stereo swooshes giving ...

You have most likely experienced the "Doppler effect" around trains ... As the train approaches, the sound waves that make up the whistle are compressed making the pitch higher than if the ...

He said that there are two factors at play: the Doppler effect and the way sound waves move through the hole. “The first ...