There’s an odd picture on the cover of Cryptonomicon (http://www.amazon.com/exec/obidos/tg/detail/-/0060512806/qid=1063127224/sr=8-1/ref=sr_8_1/102-0579226-2777727?v=glance&s=books&n=507846).
Does anyone know what it is and what, if anything, it signifies?
From Neal Stephenson himself: Link