World Cup ball gets Empa’s stamp of approval
30/05/2018
Swiss research institute Empa has revealed some details about the rigorous testing it has carried out on the adidas Telstar 18, the official match ball of the 2018 FIFA World Cup in Russia. The group has been carrying out tests on footballs on behalf of FIFA for 22 years. They take place at Empa’s headquarters in St. Gallen, Switzerland, having...