Frequencies of the Double

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2026-05-27 09:35:37 -

Sound travels in waves, and waves have frequencies, and frequencies can shift. The Doppler effect is the name we give to the phenomenon: a sound approaching you seems higher in pitch, a sound receding seems lower. The sound itself has not changed. Your position relative to the source has changed. And yet the experience of the sound—the thing you actually hear, the vibration that reaches your...

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