 was a set of hand-written slides showing numbers from various past launches.</p>
<p>The visualization expert Edward Tufte has argued that with a proper presentation of all of the data, the engineers could have been much more persuasive. In particular, they could have shown a figure like the one in Figure <a href="data-visualization.html#fig:challengerTemps">4.2</a>, which highlights two important facts. First, it shows that the amount of O-ring damage (defined by the amount of erosion and soot found outsid