The 'Ice Disc' Is Our New Favorite Natural Phenomenon

The 'Ice Disc' Is Our New Favorite Natural Phenomenon
An ice disc forms when a section of ice on a partially frozen river breaks off and is pushed in circular rotation by an eddy current, smoothing the ice disc into a perfect circle. It's weird and beautiful and we're big fans.

https://www.youtube.com/watch?utm_source=ifttt&v=fNs19vNcD7U January 9, 2017 at 05:05PM
via Digg https://www.youtube.com/watch?utm_source=ifttt&v=fNs19vNcD7U