One day I discovered that one could get the barrier to internal rotation in ethane approximately right using this method. This was the beginning of my work on organic molecules. ↗
I mean, I can actually say goodbye to the game of golf, never hit another golf shot the rest of my life and I'd be happy because I can get back in life without any rotation. ↗
For a traveler going from any place toward the north, that pole of the daily rotation gradually climbs higher, while the opposite pole drops down an equal amount. ↗