3d Representation of Dog Chase

Not what it sounds like. The four dog problem from Steve Strogatz: N dogs start in the corners of a regular N-gon. Each runs directly toward the dog on its left. How far do they run before colliding? — Steven Strogatz (@stevenstrogatz) October 27, 2015 Here is how it was used in my class. Halfway […]

Linear Functions, Cardiods, and the Mandelbrot Set

This tweet was retweeted by Steve Strogatz: @stevenstrogatz great @Mathologer video on the cardioid and its family: https://t.co/ElDxW67N3X — Anna Lukács (@launknaacs) November 6, 2015 What a great video, linking linear functions, cardiods, and the family of Mandelbrot sets. Rang my bell. Here’s some of my previous lessons and experiments that involved these things: The Mandelbrot […]

The Last Seat : Car Talk Puzzler

Yet another great car talk puzzler, The Last Seat: RAY: You’re one of a hundred people standing in line to get onto an airplane that has 100 seats. There’s a seat for every person who’s in line, and each of you has a boarding pass for your assigned a seat. The first person to walk […]