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Chinese scientists create a ghost radar moving at ‘near-light-speed’ to detect submarines
The Doppler effect is a phenomenon where the frequency of a wave received by an observer differs from the source frequency when there is relative motion between the source and the observer.
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Sounds of science: the physics that links these musicians
Such a common experience in our everyday lives, the Doppler Effect ... Simply put, the effect occurs when someone experiences the change in frequency of waves as they approach, pass and then ...