“You’re grinding your teeth again,” said a voice from the doorway.
“Your paper is probably brilliant, Professor. But remember: the physics of billiards isn’t in the file. It’s in the click. The moment the two balls touch, they don’t care about your math. They just obey.” physics of billiards pdf
After he left, Elena turned off her computer. She walked to the table, picked up the heavy cue, and for the first time in a month, she didn't think about Lagrangian points or moment of inertia. “You’re grinding your teeth again,” said a voice
“Why?”
And missed the pocket by a mile.