Japanese Golf Balls that Change Color in the Sun
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The only thing I don’t like about golf is that my balls don’t change color in the sun. (Yes, that reads funny). Finally, that problem has been solved by Henkaq, a Japanese company that has invented golf balls that change color when exposed to the sun. The balls are treated with a photochromic compound similar to the compound used in glasses that automatically tint.
Via: henkaq
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