Early on in her career as a hammer thrower, Janee’ Kassanavoidlearned a simple yet important lesson from her coach, Greg Watson.

The equation for power, he told her, was work over time.

Kassanavoid keeps this physics lesson in mind each time she competes in her chosen sport, which, as legend has it, originated thousands of years ago in Ireland when a Celtic warrior grabbed a chariot by its wheel and tossed it airborne. Read More