And even if it was true, the earth pretty much IS flat. It curves on the order of 8 inches to the mile. Unless you travel a lot, curvature from 1 set of stairs

And even if it was true, the earth pretty much IS flat. It curves on the order of 8 inches to the mile. Unless you travel a lot, curvature from 1 set of stairs has more effect on your life than curvature from the earth.