exponential+growth+and+paper

[|Chess and rice]

Folding paper 7 times media type="youtube" key="kRAEBbotuIE" width="560" height="315"

paper folding - 42 folds - [|42 folds link]

media type="youtube" key="AmFMJC45f1Q" width="560" height="315"

newspaper vs phone book - paper strength

Dyson award winner - bike helmet media type="custom" key="28918574"