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World Cup balls
Jon Worth's Euroblog 4 Years, 9 Months, 1 Week, 3 Days, 17 Hours, 47 Minutes ago
As if anyone needed more evidence that I spend time thinking about odd things and then blogging about them, here’s yet more evidence: this is a post about the science of the ‘Jabulani’ balls used at the World Cup in South Africa. Mo...