NSTA Recommends’ Edwin Christmann recently reviewed the Go Direct® Respiration Belt. In his review, Edwin demonstrates using the Go Direct® Respiration Belt during different exercises, including boxing, jumping rope, and weight lifting. H...

NSTA Recommends recently featured the Go Direct® Motion Detector in the article, "The Vernier Go Direct Motion Detector: A Modern Twist on a Timeless Design," Reviewer Martin Horejsi provides interesting background and history on ultrasonic mot...