Category Archives: Fun

Thinking is the Enemy of Innovation

In honor of today, here is management guru L. Vaughan Spencer:

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Puzzle #5 (Answer): Leaping to Conclusions

Puzzle #5: A Royal Mystery posed the following question: Gregory was born on a Monday in New York City.  His father sent out Western Union telegrams to announce the birth.  The family later moved to London.  On his seventh birthday, … Continue reading

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Puzzle #5: A Royal Mystery

Gregory was born on a Monday in New York City.  His father sent out Western Union telegrams to announce the birth.  The family later moved to London.  On his seventh birthday, which was also a Monday, the boy saw the … Continue reading

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From 2D to 3D

AgentSheets is a dynamic system that is analogous to a traditional spreadsheet, but instead of formulas there are “agents.”  The agents can  represent people, animals, cars, trees or anything that moves or changes.  The user programs their behavior graphically, and then the agents interact with … Continue reading

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Quasi-random Christmas Trees

When I studied mathematical finance at Oxford, one of the classes introduced me to a topic that still fascinates me: quasi-random numbers. Quasi-random numbers differ from the better-known pseudorandom numbers, and not just because of the hyphen. “Quasi” means “almost” while “pseudo” … Continue reading

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Play the Monty Hall Game

Stay or Switch is an entertaining new site devoted to the “Monty Hall” problem. Here’s the game: There are 3 doors.  Each door conceals a prize: an expensive car or one of two goats.  The prizes have been placed randomly.  You want the … Continue reading

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Puzzle #4: Bond Pricing

Here’s another puzzle I’ve used to teach bond math. It’s not hard, but it requires some understanding of bond concepts that I will explain as we go (I beg the patience of bond mavens). Suppose you are the financial advisor … Continue reading

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