Hexaflexagons, Probability Paradoxes, and the Tower of Hanoi Submitted by Anonymous | 7 / Jun / 2011 Read more about Hexaflexagons, Probability Paradoxes, and the Tower of Hanoi
Origami, Eleusis, and the Soma Cube Submitted by Anonymous | 30 / May / 2011 Read more about Origami, Eleusis, and the Soma Cube
