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The Doppler Effect on Recycled Patch Beanie

Double-layered knit
Cotton twill patch for decoration
Material: 100% polyester (recycled)
Brand: Beechfield

Recycled Patch Beanie - black - Front

Recycled Patch Beanie

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Created by TheTimeWarrior

The Doppler Effect

The Doppler Effect

TheTimeWarrior

Created by TheTimeWarrior

In the style worn by Dr Sheldon Cooper, it is the change in frequency of a wave for an observer moving relative to the source of the wave. It is commonly heard when a vehicle sounding a siren or horn approaches, passes, and recedes from an observer.

Tags: Miscellaneous, tbbt, Doppler Effect, Dr Sheldon Cooper, penny, The Big Bang Theory, Sheldon Lee Cooper

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