The mundane job sparked Zhou's interest in the strange game -- he started sneaking out at night, rolling balls on the green and working on his swings with a broken club.

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"The 50-50 balls rolling on the ground, somehow it seemed like they'd pick them up and get a basket when we really needed a stop, " Jerian said.

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Woods estimated that tee balls were rolling 20 yards farther than earlier in the week.

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Plus the man who was once caught in an avalanche and now studies the maths of how they move by rolling ping-pong balls down a ski slope.

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