The Truth About Toilet Swirl: Synced for you…

You’ve likely heard that the directionality of the water swirl in a toilet flush is due to the Coriolis effect. It rotates counter-clockwise in the northern hemisphere and clockwise in the southern. However, that’s not exactly accurate. While the Coriolis effect does happen, it’s not significant enough to influence a toilet swirl.

Smarter Every Day and Veritasium have teamed up to explain just that, except they’ve done something marvellous this time. There are two videos, one on each of their channels that have to be played simultaneously for you to have the maximum viewing enjoyment. Yes, it’s the easiest thing to do, but I’ve made it a bit easier for you.

Click the button below the videos to play them synchronised.

Pardon me if you don’t get both videos playing at the same time on the first try. Click the button again until you have them just right. I’ve also added a Play and a Pause button so that you can simultaneously effect both the videos.

Links:

You can find their page for this project here.

Smarter Every Day: Northern Hemisphere

Veritasium: Southern Hemisphere

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