Yarn
On the outside there is a, leather, or plastic, depending on the baseball type. Next layer is what seems to be twine wrapped around the next layer which is yarn. The spin (or lack there of) on a baseball is what makes the ball 'fly' like it does. As the ball cuts through the air, the stitches on the ball create aerodynamic forces of varying amounts on different sides of the ball. That's an impact of around 170mph!   The stitching on a baseball is done in a precise and consistent manner in order to allow for a consistent movement of a pitched ball. The spin (or lack there of) on a baseball is what makes the ball 'fly' like it does. As the ball cuts through the air, the stitches on the ball create aerodynamic forces of varying amounts on different sides of the ball. This allows for specialized pitches such as the curve, slider, knuckle A baseball is a ball used in the sport of the same name, baseball. In the early, mid-1800s days of baseball, there was a great variety in the size, shape, weight, and manufacturing of baseballs. Early baseballs were made from a rubber core from old, melted shoes, wrapped in yarn and leather. Fish eyes were also used as cores in some places. The yarn or string used to wrap the baseball can be up to one mile (1.6 km) in length. Some are wrapped in a plastic-like covering. A significant characteristic of the baseball is the stitching that holds together the covering of the ball. In the early, mid-1800s days of baseball, there was a great variety in the size, shape, weight, and manufacturing of baseballs. Early baseballs were made from a rubber core from old, melted shoes, wrapped in yarn and leather. Fish eyes were also used as cores in some places. Why does a baseball require so many different layers? In the early years of the game, prior to 1848, baseballs were very bouncy, built with a solid rubber core and only about three inches in diameter. Hitting these lively balls, some pro teams tallied as many as 100 runs per game. You don't necessarily think of a baseball as bouncy. But that's exactly what a ball does when it collides with a bat. Like a bouncing ball, when hit with a bat a baseball deforms for an instant then springs back to its original shape. Answer   An official baseball is manufactured through a process of wrapping yarn around a cork or rubber center and then tightly stitching a bird stuff or horsehide cover … ed over the yarn of stick. The spin (or lack there of) on a baseball is what makes the ball 'fly' like it does. As the ball cuts through the air, the stitches on the ball create aerodynamic forces of varying amounts on different sides of the ball. A baseball. A baseball is a ball used in the sport of the same name, baseball. The ball features a rubber or cork center, wrapped in yarn, and covered, in the words of the Official Baseball Rules with two strips of white horsehide or cowhide, tightly stitched together.. In the early, mid-1800s days of baseball, there was a great variety in the size, shape, weight, and manufacturing of baseballs. Early baseballs were made from a rubber core from old, melted shoes, wrapped in yarn and leather. Fish eyes were also used as cores in some places. To make a baseball seam bracelet or necklace (the bracelets and necklaces that you see made from the laces of a baseball) you will need a few things: A Baseball. A Razor. Scissors. Bowl of water. Clasps and/or a safety pin. That's all you need to make a baseball seam bracelet or necklace. Now here's the steps to follow when making your baseball seam bracelet or necklace. Note: if you are making a necklace, you may need two some extra string if you want a longer necklace. 1) Cut around one side of the laces of the baseball with the razor blade. Be careful not to cut your fingers off and more importantly, don't cut so close you cut the laces or the holes they go in to. 2) Cut around the other side of the laces and peel what is left away from the baseball
http://www.answers.com/Q/What_is_a_baseball_made_of http://www.answers.com/Q/What_is_a_baseball_made_of https://en.wikipedia.org/wiki/Baseball_%28ball%29 https://en.wikipedia.org/wiki/Baseball_%28ball%29 http://www.scientificamerican.com/article/inside-baseball-what-gives-a-baseball-its-bounce/ http://www.answers.com/Q/What_is_a_baseball_made_of https://en.wikipedia.org/wiki/Baseball_%28ball%29 http://www.yougoprobaseball.com/how-to-make-a-baseball-seam-bracelet-or-necklace.html
what is baseball twine made of