Numberphile: Where Does River Water Go?

The third video in the fluid dynamics trilogy I made for Numberphile. Rivers contain 80% of pollution which ends up in the ocean, so understanding where the water goes when it leaves the river mouth is of upmost importance in the fight to clean-up our planet.

Watch part 1 on the Navier-Stokes Equations here

Watch part 2 on Reynolds Number here.

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