Vortex street

Do you use a tide chart to find the best time for your Saturday walk, too?

I showed you a vortex street on a plate formed by pulling a paint brush through sugary water as an example. Now today I want to show you the real thing: Instead of stagnant water and a moving object, I bring to you the flowing Elbe river and a bollard!


Watch how vortices with alternating spin are shed every three or four seconds!

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  1. Pingback: Wave watching Sunday in Grenoble | Mirjam S. Glessmer

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