A dizzingly complicated talk appropriately accompanying mindblowingly complicated origami creations. The talk is interesting enough when it's just covering paper creations like the double preying mantis above, but then Lang moves on to discuss origami being applied to telescopes, heart stents, and more.
Here's Lang's site.
And here's Bruno Bowden folding one of Lang's incredible creations in under two minutes, blindfolded, while Rufus Cappadocia plays a custom five-string electric cello. It's a good surprise to see the finished creation:
*Find origami books at Amazon.