Since there was a new video of the columbia accident, reminded me of the old 2003 document someone who is bored might find interesting:
http://www.space.com/media/pdf/caib_report_volume1.pdf
I mostly found the emails interesting. and page 191 hehe Powerpoint ftl.
Columbia Accident Report
Columbia Accident Report
It takes 43 muscles to frown and 17 to smile, but it doesn't take any to just sit there with a dumb look on your face.