I had no idea what the hell a rolling ball was, so I had to look it up.

Recently, the globe effect has been linked to the peculiar properties of human visual perception,[3] which adds a certain amount of barrel distortion to the visual field.[4] The amount of barrel distortion is subject to individual differences, which explains the fact that the perceived intensity of the globe effect varies significantly between different observers.

https://en.wikipedia.org/wiki/Globe_effect


Faith and love of others knows no mileage nor bounds. That's simply the way it is.
dogzapper

After the game is over, the king and the pawn go into the same box.
Italian Proverb