The convection created helps to keep the disc spinning," the post said. Flowing water is also an important part of the equation, the park said in the post. "Areas where water accelerates ...
Spinning ice disc spotted in Michigan river near Tahquamenon Falls A Michigan state park ranger this week captured an unusual natural phenomenon on video at the lower Tahquamenon Falls State Park ...
A bus passenger who glanced out the window was astonished to see a giant white disc spinning on the surface of the River Dee in Denbighshire. Gary Dixon was so astounded that, after alighting ...