Why are tennis balls optic yellow and what has Sir Attenborough got to do with it?
via The News International - Sports A top-down image of tennis balls and Sir David Attenborough. — X/@joeHave you ever wondered why tennis balls look the way they do? Sir David Attenborough has played a part in giving this sports accessory their iconic bright yellow colour also known as optic yellow.The 97-year-old British... Readmore
A top-down image of tennis balls and Sir David Attenborough. — X/@joeHave you ever wondered why tennis balls look the way they do? Sir David Attenborough has played a part in giving this sports accessory their iconic bright yellow colour also known as optic yellow.The 97-year-old British... Readmore