Category Archives: Graphic Presentation

Puzzle #9 (Follow-up): Melting Fractals

Posted on March 26, 2014 by

The song “Let it Go” from the movie Frozen celebrates “frozen fractals.” I suppose a frozen fractal is something like the Koch snowflake. Lately, though, one of my puzzles has made me more interested in melting fractals. The challenge of Puzzle … Continue reading →

Posted in Fun, Graphic Presentation, Math, Puzzles, Visualization | Tagged , , , , , | 2 Comments

Puzzle #9 (Follow-up): Binary Sudoku and the Limits of Visualization

Posted on March 6, 2014 by

In Puzzle #9: Island of Games, I described an island where a thousand residents enjoy playing three games: Chess, Checkers, and speed-solving of Rubik’s Cube.  Each islander’s skill at each game is assessed with a rating score between zero and … Continue reading →

Posted in Graphic Presentation, Puzzles, Visualization | Tagged , , , , | 5 Comments

The Reinhart-Rogoff Film Festival: A Deleted Scene

Posted on December 10, 2013 by

Alberto Cairo, who teaches Information Graphics and Visualization at the the University of Miami, has written about connected scatter plots on his blog (with a follow-up post here). He has been inspired, as I have, by Hans Rosling’s wonderful animated scatter … Continue reading →

Posted in Economics, Graphic Presentation | Tagged , , | Leave a comment

The Reinhart-Rogoff Film Festival

Posted on May 9, 2013 by

“You can observe a lot by watching.”  – Yogi Berra  The biggest story in economics this year revolves around a study by Harvard economists Carmen Reinhart and Kenneth Rogoff (“RR”).  Their work has been credited (or blamed) for efforts around the … Continue reading →

Posted in Bonds, Economics, Graphic Presentation, Visualization | Tagged , , , , , | 3 Comments

Talk at the Chicago Fed

Posted on April 17, 2013 by

I was pleased to speak on a panel last week at the Sixth Annual Risk Conference sponsored by the Federal Reserve Bank of Chicago and the Driehaus College of Business, DePaul University. I appeared on a panel on Business Model … Continue reading →

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A New(?) Way to Visualize Numbers

Posted on October 1, 2012 by

After I saw Matt Henderson’s visual demonstration of how the geometric series 1/4 + 1/16 + 1/64 . . . adds to 1/3, I thought about how to generalize this for any geometric series. This led to a way to … Continue reading →

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A Cool Math Blog

Posted on September 27, 2012 by

Matt Henderson of Cambridge (UK) has a terrific math blog that is full of very cool animations. Here is an example, showing that the infinite geometric series 1/4 + 1/16 + 1/64 + … adds to 1/3: His latest post … Continue reading →

Posted in Fun, Graphic Presentation, Math | Tagged , , , | 2 Comments