Actually the dimples in golf balls create turbulence, or mixed airflow, which, if done right, reduces drag.

Actually it first stated when the golfer realized that the used balls were traveling more than the new balls, and then the experiments of given golf balls a systematic irregularities started.

Let’s imagine a smooth ball flying through the air.

As the ball travels, its front surface comes into contact with the air. That air then smoothly go over the front and separate from the ball towards the back.

That separation leaves a “turbulent wake region” behind the ball, which creates drag on the ball.

However, if we add dimples to our theoretical ball, we will be able to minimize the turbulent wake and, therefore, the drag on the ball.

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