Technology Alex Steffen of Worldchanging Night One part 1

1. The Story So Far…. 2. We’re all related. We’re all the sons and daughters of a common ancestor: Mitochondrial Eve. 140,000 years ago (or so). Population bottlenecks.…

Documents Krawinkler Paper Otani

1-1: Krawinkler Otani Symposium 2003 COLLAPSE PROBABILITY OF FRAME STRUCTURES WITH DETERIORATING PROPERTIES Helmut Krawinkler1 and Luis Ibarra1 1Department of Civil &…