How NASA Solved a $100 Million Problem for Five Bucks

A few years ago, back when the Constellation Program was still alive, NASA engineers discovered that the Ares I rocket had a crucial flaw, one that could have jeopardized the entire project. They panicked. They plotted. They steeled themselves for the hundreds of millions of dollars it was going to take to make… » 1/31/12 3:20pm 1/31/12 3:20pm