Surely water simulation can be done with computers now? Well, not quite. At the University of Sherbrooke, there's an artificial research river, and I asked them to start it up. ▪ The University's civil engineering department: https://www.usherbrooke.ca/gcivil/

Edited by Michelle Martin   / mrsmmartin  
With thanks to Sherbrooke team members Basem (who also flew the drone!) and André (who also wrote the French subtitles!)

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