Directory For a Sex Photos : infrastructural: thatscienceguy: The Sonic Boom, as seen above, is caused by the Doppler Effect - that thing Sheldon explained on the Big Bang Theory. When an object is stationary, while emitting sound, the sound waves spread out uniformly in a circle
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» infrastructural: thatscienceguy: The Sonic Boom, as seen above, is caused by the Doppler Effect - that thing Sheldon explained on the Big Bang Theory. When an object is stationary, while emitting sound, the sound waves spread out uniformly in a circle
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