Posted by: raphael on: February 16, 2008
sparks42 wrote: I understand that they both have 20 and 13 in common, but what else links the two together? This is neat-o ! I want to suggest that the 3 cogs above used in Mayan timekeeping containing 13, 20 and 52 teeth in their circumference, interlocked play a similar role in relationship to each [...]