What if someone asked us to design for a continent or the whole world? Do we use our observations, techniques and common senses or do we go with theoretical math?
s wesley wrote:Thanks for the replys! I am genuinely confused. So there is no such thing as level? Isn't this so basic and simple since we use water to level things? I know, speaking for myself, I have never seen a still body of water with a surface any sort of shape other than level. It is a fair question is it not? If we design for a continent for example...north america....or just the usa....would we have to calculate 2,680 ish miles (horizontal width) worth of curvature.....so 820 or so miles of curvature. Or do we consider it a plane with hills, valleys, mountains and other topography. Has anyone ever considered curvature in their design?
s wesley wrote: Sorry if I missed something. Differences in elevation I understand. Maybe subtle changes sometimes can’t be detected. But larger changes or the difference between the start and finish can be. Things like your ears popping (pressure changes) let you know and depending on the topography your view may change. Without floating off into metaphysics and space... let’s consider scale. At what scale would the curvature of earth come into one’s design? If I have a few properties say… 4 all connected and all separately designed but incorporated together for things like water. They are 5,000 acres each and connected lengthwise. They are say 5 miles at each length….so total 20 miles length. And I want to put a swale across them and it happens to work out. If I am at water level at the beginning of the swale and looking toward the other end of the swale according to curvature math it would need to be 260+ feet under that level at the beginning. How can it be level and curving 260+ feet down at the same time? Doesn’t common sense and observation take over at some point? At what scale does water start to curve? I am missing the curve...
s wesley wrote:At what scale would the curvature of earth come into one’s design?
r ranson wrote:If you keep the trench the same distance from the centre - altitude - then that's what we mean by level.
s wesley wrote: Has anyone ever considered curvature in their design?
Judith Browning wrote:
What do 'flat earthers' think is on the other side?