Boat shaped like a zipper pull "unzips" Tokyo's Sumida River

boing
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Yup. Vortex shedding.

HistoricFerrybridge4
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Collapse-of-cooling-towers-in-Ferrybridge-November-1-1965
Collapse-of-cooling-towers-in-Ferrybridge-November-1-1965850×614 409 KB

3414
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Ferrybridge power station, 1965.
A staple in textbooks on structural engineering.

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