Casino Q&A It's easy to see why dice are red and white - Detroit Free Press

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QUESTION: Why are the dice in most casinos red with white spots? -- Nelson S.

ANSWER: Before leaving the Green Felt Jungle, I acquired a large collection of more than 1,000 pairs of dice from just about every casino in Nevada. Your question gave me an

opportunity to crawl up in the attic and see exactly what I had.The lion's share were various shades of red, but at least 20% represented a variety of colors, including gold, blue, green, pink, purple, tangerine, black and amber. All the dice had white spots (pips) regardless of the body color.Pips on dice are white and sized purposely for ease in recognizing the pattern the dice form. The color red makes the dice easy to see, read and call from the stick position against a green layout.The white pips are always flush, offering the assurance of uniformly distributed random numbers. To guarantee perfect balance of the dice, the depth of the different spots varies. The single one spot is drilled six times deeper than any of the six spots on the opposite side. The holes are filled flush with a paint of the same density as the acetate used for the dice, with equal weight-to-volume relation so the dice remain in balance. Dice makers who cut dice do it in lots of five or six and deal in tolerances of .0002 inch. Imperfections are discarded. All of this is done to make the random nature of a dice throw a dead certainty. All dice are then stamped with a matching serial number to prevent a cheater from sneaking in an alien cube.QUESTION: I won a $5,000 plus progressive slot jackpot (proof that these slots do pay off!) a couple of weeks ago. A nickel machine, no less! When I went back a week later, I went looking to play the same slot machines (there was a bank of four that were the same) and they were nowhere to be found. They weren't in the place where I had played them, and I walked all over the casino looking for them with no luck. What's going on? I am just curious about why they removed them. -- Linda H.

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