Anyone got any idea what the "primer" [1] represents? It is vaguely reminiscent of the Pioneer plaque [2], but not really. EDIT to add: Oh, it's the Arecibo m

Anyone got any idea what the "primer" [1] represents? It is vaguely reminiscent of the Pioneer plaque [2], but not really. EDIT to add: Oh, it's the Arecibo message [3]. Hope the aliens are smarter than me. [1] https://en.wikipedia.org/wiki/Wikipedia:Terminal_Event_Management_Policy#/media/File:Arecibo_message_bw.svg https://en.wikipedia.org/wiki/Wikipedia:Terminal_Event_Manag... [2] https://en.wikipedia.org/wiki/Pioneer_plaque https://en.wikipedia.org/wiki/Pioneer_plaque [3] https://en.wikipedia.org/wiki/Arecibo_message https://en.wikipedia.org/wiki/Arecibo_message