Quick Dumb Question
Jun. 18th, 2009 11:26 am![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
jmfargoIf you were to go far back in time, GPS systems would be useless because there are no satellites, correct?
Is there a system, in use today, that can tell you your relative position on the face of the Earth without use of satellites, and not requiring any input from the user?
Is there a system, in use today, that can tell you your relative position on the face of the Earth without use of satellites, and not requiring any input from the user?
![[identity profile]](https://www.dreamwidth.org/img/silk/identity/openid.png){kind=small}
no subject
Date: 2009-06-18 05:50 pm (UTC)My mom used to do this all the time, but if you tried to help her she'd flip out. :)