Math and physics explain the anguish of a golf ball that zings around the rim of the hole instead of falling in.

It's the 18th hole and the game's on the line. You line up your putt, take a breath, and roll the ball toward the hole. The pace is firm, the line looks good—until the ball dips in, then cruelly pops ...

A slight disruption to the movement of the ball, caused perhaps by a tiny imperfection to the rim, will either cause the ball ...

LibertyStream Infrastructure Partners Inc. (TSXV: LIB | OTCQB: VLTLF | FSE: I2D) ("LibertyStream" or the "Company") is ...