When it comes to racquet sports, none come closer to tennis and badminton in terms of popularity. Racquet sports require great speed and agility. To play well one needs to have good hand-eye ...

TOKYO, Aug 1 (Reuters) - Badminton's shuttlecock, with its open cone of goose feathers embedded in a rounded cork base, doesn't look designed for speed, yet it can move faster than projectiles in any ...