Why are tennis balls optic yellow and what has Sir Attenborough got to do with it?

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...

from The News International - Sports https://ift.tt/tuxULfB
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