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Pomona Celebrates 10/11/11 as Binary 47 Day

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Editor's note: We realized that, according to how much of the world formats its dates, November 10, 2011, is also Binary 47 Day. So we are re-running this feature today to celebrate. Happy Binary 47 Day!

If you do the math correctly, October 10, 2011--or 10/11/11--in binary equals 47. This event only occurs every 100 years, so it's a cause for celebration! In this 47-second video, Professor of Mathematics Ami Radunskaya explains the mathematics behind this special day.