Mobius Bridges and Buildings

Alex Bellos discusses how the Incans used knots in string (Quipu) to record numbers.Check out Brilliant (get 20% off their premium service): https://brillian...

Möbius style bridges and buildings are a passion for Carlo H. Séquin from U.C. Berkeley.

See the previous video at: http://youtu.be/3_VydFQmtZ8

Bridge design... Hake Associates: http://bit.ly/1g7nw7f