Hacker News stories for 9 AM on Friday Aug 17, 2012

0.647 Former NASA Flight Engineer blogs about Columbia Disaster comments

0.511 The Tata AirPod: a car that runs on compressed air w/150-200km range comments

0.502 Disney Revel uses electrical fields for tactile feedback comments

0.432 Defcon-20 DVD mirror comments

0.405 You Can’t Be Effective When You’re Too Smart For Your Own Good comments

0.136 IOS SMS Spoofing comments

0.006 Why I now, unfortunately, hate Hacker News.. comments