"No more secrets" - Marty, Sneakers 1992

You know a linked list? Then you get the gist. It’s a node, with some data, and a previous. But this is what I missed when I started this…

October 2018

You think solving a Rubik’s Cube is difficult? Imagine scrambling it, memorizing it, and solving it with your eyes closed. In this two part…

October 2014

You don’t have a bad memory, you were just never taught how to use it. We are going to practice several powerful memory techniques that have…

April 2014

The Rubik’s Cube is a challenging puzzle to solve, largely because there are so many positions. Wouldn’t it be fun to know exactly how many…

February 2014