Gizmodo

Have you met the hexaflexagon? If not, it’s high time you did.

Last week, YouTube’s resident mathematical mind-blower, Vi Hart, introduced many of us to the topological wonder that is the hexaflexagon. If you haven’t seen it yet, get your life in order and go ...
Gizmodo

Meet the hexaflexagon. It’s about to blow your mind.

Remember the first time you saw a Möbius strip (the ring-shaped surface with only one side) and it felt like your world had been turned upside down? The hexaflexagon tends to have a similar effect.
GIGAZINE

The secret story of the discovery of the mysterious figure 'hexagon' that appears when folded back even though it is a flat surface.

Arthur Harold Stone, who moved from the United Kingdom to the United States in 1939, tried to use American paper sandwiched between British binders and noticed that the paper squeezed out of the ...