(May 29, 2013 at 11:37 am)Simon Moon Wrote:Do you mean that somehow they decided to record their birth and current location then somehow, at some point they decided to travel the path between them and turning around obstacles, wet land, sand, etc.(May 29, 2013 at 1:52 am)Muslim Scholar Wrote: Whatever you bring, it will need external data!The 'external data' is the geomagnetic information that they record for their original location.
I should another option that
Eel leaned in schools to navigate geomagnetic maps
also each one got an ID card with his origin location
Wow, you are really an Atheist.