Hacker News on 19 August 2011

• Twitter Bootstrap
• 13-Year-Old Makes Solar Power Breakthrough by Harnessing the Fibonacci Sequence
• Please confirm your email address
• The Secret of the Fibonacci Sequence in Trees
• The Architecture of Open Source Applications
• IE9 deletes stuff
• 90 Percent of People Don't Know How to Use CTRL+F (or CMD + F)
• How To Become A Better Programmer By Not Programming
• Apple phasing out developer access to the UDID in iOS 5
• Can’t Wait (YC S11) is a mobile social network for movie trailers