Which size five soccer ball is best? Soccer, or football as it’s called outside of America, is the most popular sport in the world. It’s said that there are 3.5 billion fans and over 200 ...

A size 5 (adult) soccer ball, according to Football Association regulations, weighs 410–450 g, has an inflation pressure of 0.6–1.1 atmospheres, and a circumference between 68 and 70 cm. 9 Skilled ...

Every year the newest version of the World Cup soccer ball causes a stir. Now physicists have put those balls to the test, to see just how well they fly. World Cup soccer balls used to be not much ...