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Nov 30 at 17:17 vote accept Joseph O'Rourke
Nov 30 at 7:19 history became hot network question
Nov 30 at 2:34 answer added RavenclawPrefect timeline score: 22
Nov 30 at 2:26 comment added Joseph O'Rourke @Carl-FredrikNybergBrodda: That was the suggestion that led to that 14 year-old Christmas-tree posting. The answer there does not resolve your more fundamental question.
Nov 30 at 2:25 history edited Joseph O'Rourke CC BY-SA 4.0
added 6 characters in body
Nov 30 at 1:37 comment added Carl-Fredrik Nyberg Brodda What if the cannonballs are reflective? Is there a ray starting in one face of the pyramid and ending in another?
Nov 30 at 1:33 history edited Joseph O'Rourke CC BY-SA 4.0
added 204 characters in body
Nov 30 at 1:28 history edited Joseph O'Rourke CC BY-SA 4.0
added 204 characters in body
Nov 29 at 23:24 history edited Joseph O'Rourke CC BY-SA 4.0
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Nov 29 at 23:20 comment added Joseph O'Rourke Originally posted on MSE, but garnered no interest over a week.
Nov 29 at 23:19 history asked Joseph O'Rourke CC BY-SA 4.0