How Olympic Ice Skates Are Designed for Speed, Spins, and Swerves

Watching the world-class ice athletes of the Winter Olympics, whether it's in speed skating, figure skating or hockey, is a jaw-dropping affair. The speed, control, and dexterity they exhibit while somehow balancing on a metal blade is simply amazing. But what exactly is going on with those blades? Smarter Every Day's… » 2/22/14 10:00am 2/22/14 10:00am