Under a Gibbous Moon

We already knew this

by on Jun.24, 2010, under Random

In yet another case of a scientist with too much time on his hands, and engineering professor rolled them bones some 144,000 times. He found that will roll a one approximately thirty percent of the time (instead of sixteen percent for true randomness.)

I think anyone who’s playing a roleplaying game for any length of time has discovered this little quirk. That’s why¬†thieves¬†with short swords always die horrible deaths and Star Wars D6 system was able to roll up a wookie who couldn’t break a stormtroopers neck.

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5 Comments for this entry

  • Bill Pickett

    I think the results the scientist received depend on the exact shape of the particular die he use, the air pressure where he was, and the fan across the room. True randomness is a mathematical construct, in a world of actual things there is always bias.

    • James

      Though in the article, he was able to get casino dice to roll the “odds”.

      • Bill Pickett

        Pesky articles. Now, I have to read them after the summaries? ;) Loading the dice is probably done to more exacting standards in a Casino. A complete neutral die I believe is not something that readily exists outside of pure math.

        • James

          Quite the opposite, it seems that the extra material on the one side (since it had the fewest divots) is what cause the extra ones to be rolled. Therefore, casino dice would have to weighted off center to compensate.

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