11 Sep
2014
11 Sep
'14
6:54 p.m.
You did notice that this article was in the April issue, right? --Dan On Sep 11, 2014, at 5:33 PM, Jeff Caldwell <jeffrey.d.caldwell@gmail.com> wrote:
Who can beat elephants pulling on ropes 1200 years ago to calculate navigation parameters in binary? It must be true, it was in Scientific American.
http://ftp.math.utah.edu/pub/tex/bib/sciam1980.html#Anonymous:1988:ARP
The full article isn't as easily found online as it was years ago. "An ancient rope-and-pulley computer is unearthed in the jungle of Apraphul By A. K. Dewdney"