Avid ski jumpers Karl, Garrett and Johnny use GPS technology to examine the differences between modern and “old school” jumping styles. Hockey players Tess, Alison and Christina investigate how sticks of different stiffness affect the speed of their shots. Mike Lowe and Brian Sidwell design and test bicycle helmets for ultimate safety and weather resistance.

Originally released by Big Media Holdings LLC, 2013. Streaming video file encoded with permission for digital streaming by Infobase on February 10, 2017.

Three Parts of Ski Jumping (3:41); --Hockey Stick: Accuracy Test (3:45); -- Hockey Stick: Speed Test (3:49); -- Designing and Testing Bike Helmets (2:24); -- Testing Styles of Ski Jumping (5:05); -- Riddle Answer (0:53); -- Credits: Ski Jumping and Safety Helmets: Dragon Fly TV (0:39); .