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Impressive! What stimulated his interest in this subject?
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He is joking :P , it's a pun on the expression "the rear waves of the Yangtze River pushes forward the frontal waves"
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Impressive! What stimulated his interest in this subject?
He is joking :P , it's a pun on the expression "the rear waves of the Yangtze River pushes forward the frontal waves"
Nice, your son can teach you fluid dynamics.