this post was submitted on 18 Sep 2023
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sailors would sometimes lose an eye from ropes flicking up
they would also lose a lower limb from a rope accidently coiling around an ankle
ships are dangerous, the sails exert strong forces and anchors are very heavy
the dark adapted vision thing is probably because they used sextants for navigation and that meant looking at the sun
You use a sextant at night.
in the Northern hemisphere because they have a pole star. We don't have a pole star so we use the sun at noon.
really? so was there no astronimcal navigation in the southern hemisphere...?