A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Robert VanderPol II
Date: 2017 Jul 19, 17:32 -0700
Tony did not have a problem or propose one for us to solve.
He made the observation that some of the mathematics for CN is similar to cryptography in that the process is relatively easy in one direction and extremely difficult or impossible to perform in the other.