The year is 2153. Technological civilisation has collapsed and all the knowledge of previous generations has been lost in the mists of time.
You are amongst the survivors, now trying to rebuild civilisation. You have heard a rumour that the "ancients" of previous centuries believed the world is round. So you decide to investigate.
Using your own observations based on your sense-perception, how would you set about proving (or disproving) this that world is round?
[I know the obvious answer is NASA photos from outer-space, but I want to see who can figure it out the old-fashioned way. ]
You are amongst the survivors, now trying to rebuild civilisation. You have heard a rumour that the "ancients" of previous centuries believed the world is round. So you decide to investigate.
Using your own observations based on your sense-perception, how would you set about proving (or disproving) this that world is round?
[I know the obvious answer is NASA photos from outer-space, but I want to see who can figure it out the old-fashioned way. ]