13 folds of paper.......

[Grummer]

https://www.youtube.com/watch?v=ZQ0QWn7Z-IQ



...and ... if you fold 103 times.....

http://www.iflscience.com/space/fold-piece-paper-half-103-times-and-it-will-be-thick-universe

 

[Grummer]

how come no one noticed this one, this is actually quite incredible....

 

[Jabberwocky]

4 minutes and 39 second is beyond my attention span

plus the CC explaining the math the first minute just drove me nuts