Something Extraordinary Happens When She Introduces A Plate In The Pool
She gets by the pool, moves the water with a plate, and two cicle shades start to move forwards without getting apart. You’ve probably seen this phenomenon before, but have you ever wondered what causes it? The Physics Girl, a youtuber, explains this fascinating votex phenomenon.
She first moves the water with a plate
And these two circles appear
This is how she explains it: