Of course, no one should truly expect this ball to be made for an organized league game since its primary selling point is that it glows in the dark. This soccer ball features two red LED lights that are powered by the same kinds of batteries used for watches. Even better, the batteries themselves are easy to change out and even have a specialized tool to assist in doing so. To prevent the batteries from running out too quickly, the ball is kick-activated and stays lit for 40 seconds.

The Obsidian 5 has trademark graphics paying tribute to the USA national team. It is a prestigious soccer ball to add to your soccer equipment if you love buying anything US. The material used is 12% EVA, 13% polyester, 15% polyurethane and 60% rubber. These top-quality materials ensure great performance and excellent ball control to help improve your playing skills in the field. The material is durable enough to handle day to day use, and machine-stitched construction reduces water absorption while equally ensuring durability. It has a rubber bladder that enhances air retention and shape.
Elements of the football that today are tested are the deformation of the football when it is kicked or when the ball hits a surface. Two styles of footballs have been tested by the Sports Technology Research Group of Wolfson School of Mechanical and Manufacturing Engineering in Loughborough University; these two models are called the Basic FE model and the Developed FE model of the football. The basic model considered the ball as being a spherical shell with isotropic material properties. The developed model also utilised isotropic material properties but included an additional stiffer stitching seam region.
The soccer ball has gone through various changes just as the football game. As opposed to yesterday’s football ball that had stitches and seams and the classic black and white design, today’s soccer balls are designed with the latest technology that lets the ball bend more, fly quicker and also dip harder. Besides, they are quite soft that they let players kick the ball further without risking injuries. https://www.youtube.com/watch?v=DGp37du0xbQ
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