The Masters and Augusta National Golf Club look majestic on television. But there's a host of things you won't see through ...

Equipment: A tennis ball on a string. What it does: Swing the ball on the string to show circular motion. Release the ball to show the instantaneous velocity of the ball. Concepts Demonstrated: ...

Whipping his racquet through the air like a cesta in jai alai, Rafael Nadal produces such tremendous topspin that the ball sometimes seems to catapult off the court, creating a shot as challenging ...

Tasmanian allrounder Beau Webster had the ball on a string against NSW with 5-44 in the first innings. Watch the wickets here ...