High-tech in football field-the history of World Cup football

Since 1970, Adidas has been playing ball games for the World Cup, and Adidas has been using technology such as computer models and wind tunnel tests to study how to keep the shape of the ball at 80 mph and to be protected from the effects of rain ...

The following is the past year and the past 4 World Cup official game ball:

1998 Tricolore (three-color ball): The first Multi-Color World Cup ball, the use of red and white blue three-color design, but also to the World Cup held in France's flag color salute. Although the design is intended to increase the ball's durability and return to the ball energy, but some athletes said the ball is more difficult to kick.

2002 Fevernova (Flying Fire meteor): Refined polyurethane sponge inner layer and three-layer knitting edge makes it easier for athletes to control the shooting or passing route. In fact, however, the route of the ball in the air is very strange. The Italian goalkeeper Buffon is called the kid's creepy pinball game.

2006 Teamgeist (Team Star): A revolutionary nature of the football products, give up the classic 32 pieces of tile, instead of 14 pieces of tile. This makes the football closer to the perfect sphere. In addition, due to the use of thermal bonding technology made, the ball in the rainy days when the use of almost no water absorption.

2010 Jabulani (celebrated): The breakthrough is only composed of 8 pieces of tile, and through the thermal bonding technology splicing, so that the new ball more round than ever, more accurate operation. However, the athlete's evaluation of the ball, run unpredictable, almost like a volleyball.

2014 Brazuca (Samba Glory): On the surface of thousands of small dots can be in the rainy environment of the separation of rainwater, so that athletes experience the same as the ball feeling as always. The 6-piece propeller shape block technology makes the ball's stability greatly enhanced. Up to now, the majority of praise.