t-m: does your garmin do this???

A long way away from production, but this was in my in-box this afternoon (and the student is a good guy who's started doing triathlons):

"Tuesday, May 5th Physics major Todd Neer will present his senior research proposal, "Ultrasonic Watch". The goal of the project is to build a prototype ultrasonic dog deterrent device into a wristwatch case for joggers."