<p>Randall Munroe writes the webcomic xkcd, and I’ve noticed that his past few comics have been quite similar to the Powers of 10 prompt. Interesting stuff!</p>
<p>Zooming out: [xkcd</a> - A Webcomic - Height](<a href=“http://xkcd.com/482/]xkcd”>xkcd: Height)
Zooming in: [xkcd</a> - A Webcomic - Depth](<a href=“http://xkcd.com/]xkcd”>http://xkcd.com/)</p>
<p>Probably the only time when I’ll argue that wikipedia is a valid source, as the subset of xkcd readers and wikipedia editors overlap:</p>
<p>[Randall</a> Munroe - Wikipedia, the free encyclopedia](<a href=“http://en.wikipedia.org/wiki/Randall_Munroe]Randall”>Randall Munroe - Wikipedia)</p>
<p>There is also a “Bring Randall Munroe to UChicago” Facebook group…and “Citation Needed” got a lot of play at our house during the debates recently…</p>