## Posts Tagged ‘Puzzle’

### A game for budding knot theorists

Posted by: **Dave Richeson** on August 24, 2010

### A card trick that will probably amaze your friends (solution)

Posted by: **Dave Richeson** on March 15, 2010

### A card trick that will probably amaze your friends

Posted by: **Dave Richeson** on March 15, 2010

### The famous trick donkeys: a Sam Loyd puzzle

Posted by: **Dave Richeson** on June 25, 2009

### Freeman Dyson and a mathematical puzzle in the NY Times

Posted by: **Dave Richeson** on April 14, 2009

### KenKen

Posted by: **Dave Richeson** on December 12, 2008

### Four color theorem applets

Posted by: **Dave Richeson** on December 9, 2008

### Kuratowski’s closure-complement theorem (solution)

Posted by: **Dave Richeson** on October 2, 2008

### Kuratowski’s closure-complement theorem

Posted by: **Dave Richeson** on October 1, 2008