General Relativity says the earth has a local geometry that **is** flat, but rather it's the 4d space-time volume it exists inside of that has the spherical connectedness across it's global topology. Local perception of flatness vs global perception of connectedness in regards to this large mass we call Earth that's actually a 4th dimensional shape that can't be imagined or perceived - is not conversation 99.9% of the tards and glowies on this site could understand.