The Triple Track putting system, created in St. Louis and tested at the UMSL College of Optometry, is part of the new Callaway ERC Soft golf balls.

The Triple Track putting system, created in St. Louis and tested at the UMSL College of Optometry, is part of the new Callaway ERC Soft golf balls.
The Triple Track putting system, created in St. Louis and tested at the UMSL College of Optometry, is part of the new Callaway ERC Soft golf balls.
The Triple Track putting system, created in St. Louis and tested at the UMSL College of Optometry, is part of the new Callaway ERC Soft golf balls.
Music students in Assistant Professor Bethany Worrell’s class built a larger-than-life model of the larynx and demonstrated how it works to produce sounds.