1 when it’s too fast to see, and too important not to. ® CASE STUDY For the most current version visit www.phantomhighspeed.com Subject to change Rev May 2016 “In a controlled environment, the rackets were each subjected to a projected tennis ball, launched at the same speed from a tennis ball projectile device. Levels of oscillation (vibration) were determined through the use of a piezoelectric disk setup. A piezoelectric disk was placed u

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